399538440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 256

約数和(自身を含む): 1560384000

約数和(自身を除く): 1160845560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1289, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2214, 2296, 2460, 2520, 2578, 2583, 2870, 2952, 3444, 3690, 3780, 3867, 4305, 4428, 4920, 5156, 5166, 5535, 5740, 6445, 6888, 7380, 7560, 7734, 7749, 8610, 8856, 9023, 10312, 10332, 11070, 11480, 11601, 12890, 12915, 14760, 15468, 15498, 17220, 18046, 19335, 20664, 22140, 23202, 25780, 25830, 27069, 30936, 30996, 34440, 34803, 36092, 38670, 38745, 44280, 45115, 46404, 51560, 51660, 52849, 54138, 58005, 61992, 69606, 72184, 77340, 77490, 81207, 90230, 92808, 103320, 105698, 108276, 116010, 135345, 139212, 154680, 154980, 158547, 162414, 174015, 180460, 211396, 216552, 232020, 243621, 264245, 270690, 278424, 309960, 317094, 324828, 348030, 360920, 369943, 406035, 422792, 464040, 475641, 487242, 528490, 541380, 634188, 649656, 696060, 739886, 792735, 812070, 951282, 974484, 1056980, 1082760, 1109829, 1218105, 1268376, 1392120, 1426923, 1479772, 1585470, 1624140, 1849715, 1902564, 1948968, 2113960, 2219658, 2378205, 2436210, 2853846, 2959544, 3170940, 3248280, 3329487, 3699430, 3805128, 4439316, 4756410, 4872420, 5549145, 5707692, 6341880, 6658974, 7134615, 7398860, 8878632, 9512820, 9744840, 9988461, 11098290, 11415384, 13317948, 14269230, 14797720, 16647435, 19025640, 19976922, 22196580, 26635896, 28538460, 33294870, 39953844, 44393160, 49942305, 57076920, 66589740, 79907688, 99884610, 133179480, 199769220, 399538440]

約数ペア:

[(1, 399538440), (2, 199769220), (3, 133179480), (4, 99884610), (5, 79907688), (6, 66589740), (7, 57076920), (8, 49942305), (9, 44393160), (10, 39953844), (12, 33294870), (14, 28538460), (15, 26635896), (18, 22196580), (20, 19976922), (21, 19025640), (24, 16647435), (27, 14797720), (28, 14269230), (30, 13317948), (35, 11415384), (36, 11098290), (40, 9988461), (41, 9744840), (42, 9512820), (45, 8878632), (54, 7398860), (56, 7134615), (60, 6658974), (63, 6341880), (70, 5707692), (72, 5549145), (82, 4872420), (84, 4756410), (90, 4439316), (105, 3805128), (108, 3699430), (120, 3329487), (123, 3248280), (126, 3170940), (135, 2959544), (140, 2853846), (164, 2436210), (168, 2378205), (180, 2219658), (189, 2113960), (205, 1948968), (210, 1902564), (216, 1849715), (246, 1624140), (252, 1585470), (270, 1479772), (280, 1426923), (287, 1392120), (315, 1268376), (328, 1218105), (360, 1109829), (369, 1082760), (378, 1056980), (410, 974484), (420, 951282), (492, 812070), (504, 792735), (540, 739886), (574, 696060), (615, 649656), (630, 634188), (738, 541380), (756, 528490), (820, 487242), (840, 475641), (861, 464040), (945, 422792), (984, 406035), (1080, 369943), (1107, 360920), (1148, 348030), (1230, 324828), (1260, 317094), (1289, 309960), (1435, 278424), (1476, 270690), (1512, 264245), (1640, 243621), (1722, 232020), (1845, 216552), (1890, 211396), (2214, 180460), (2296, 174015), (2460, 162414), (2520, 158547), (2578, 154980), (2583, 154680), (2870, 139212), (2952, 135345), (3444, 116010), (3690, 108276), (3780, 105698), (3867, 103320), (4305, 92808), (4428, 90230), (4920, 81207), (5156, 77490), (5166, 77340), (5535, 72184), (5740, 69606), (6445, 61992), (6888, 58005), (7380, 54138), (7560, 52849), (7734, 51660), (7749, 51560), (8610, 46404), (8856, 45115), (9023, 44280), (10312, 38745), (10332, 38670), (11070, 36092), (11480, 34803), (11601, 34440), (12890, 30996), (12915, 30936), (14760, 27069), (15468, 25830), (15498, 25780), (17220, 23202), (18046, 22140), (19335, 20664)]