490409640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{3089}}^1$

素因数の和:3126

約数の個数: 240

約数和(自身を含む): 1918055700

約数和(自身を除く): 1427646060

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, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3089, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6178, 6615, 7560, 7938, 8820, 9267, 10584, 11340, 12356, 13230, 15445, 15876, 17640, 18534, 19845, 21623, 22680, 24712, 26460, 27801, 30890, 31752, 37068, 39690, 43246, 46335, 52920, 55602, 61780, 64869, 74136, 79380, 83403, 86492, 92670, 108115, 111204, 123560, 129738, 139005, 151361, 158760, 166806, 172984, 185340, 194607, 216230, 222408, 250209, 259476, 278010, 302722, 324345, 333612, 370680, 389214, 417015, 432460, 454083, 500418, 518952, 556020, 583821, 605444, 648690, 667224, 756805, 778428, 834030, 864920, 908166, 973035, 1000836, 1112040, 1167642, 1210888, 1251045, 1297380, 1362249, 1513610, 1556856, 1668060, 1751463, 1816332, 1946070, 2001672, 2270415, 2335284, 2502090, 2594760, 2724498, 2919105, 3027220, 3336120, 3502926, 3632664, 3892140, 4086747, 4540830, 4670568, 5004180, 5448996, 5838210, 6054440, 6811245, 7005852, 7784280, 8173494, 8757315, 9081660, 10008360, 10897992, 11676420, 12260241, 13622490, 14011704, 16346988, 17514630, 18163320, 20433735, 23352840, 24520482, 27244980, 32693976, 35029260, 40867470, 49040964, 54489960, 61301205, 70058520, 81734940, 98081928, 122602410, 163469880, 245204820, 490409640]

約数ペア:

[(1, 490409640), (2, 245204820), (3, 163469880), (4, 122602410), (5, 98081928), (6, 81734940), (7, 70058520), (8, 61301205), (9, 54489960), (10, 49040964), (12, 40867470), (14, 35029260), (15, 32693976), (18, 27244980), (20, 24520482), (21, 23352840), (24, 20433735), (27, 18163320), (28, 17514630), (30, 16346988), (35, 14011704), (36, 13622490), (40, 12260241), (42, 11676420), (45, 10897992), (49, 10008360), (54, 9081660), (56, 8757315), (60, 8173494), (63, 7784280), (70, 7005852), (72, 6811245), (81, 6054440), (84, 5838210), (90, 5448996), (98, 5004180), (105, 4670568), (108, 4540830), (120, 4086747), (126, 3892140), (135, 3632664), (140, 3502926), (147, 3336120), (162, 3027220), (168, 2919105), (180, 2724498), (189, 2594760), (196, 2502090), (210, 2335284), (216, 2270415), (245, 2001672), (252, 1946070), (270, 1816332), (280, 1751463), (294, 1668060), (315, 1556856), (324, 1513610), (360, 1362249), (378, 1297380), (392, 1251045), (405, 1210888), (420, 1167642), (441, 1112040), (490, 1000836), (504, 973035), (540, 908166), (567, 864920), (588, 834030), (630, 778428), (648, 756805), (735, 667224), (756, 648690), (810, 605444), (840, 583821), (882, 556020), (945, 518952), (980, 500418), (1080, 454083), (1134, 432460), (1176, 417015), (1260, 389214), (1323, 370680), (1470, 333612), (1512, 324345), (1620, 302722), (1764, 278010), (1890, 259476), (1960, 250209), (2205, 222408), (2268, 216230), (2520, 194607), (2646, 185340), (2835, 172984), (2940, 166806), (3089, 158760), (3240, 151361), (3528, 139005), (3780, 129738), (3969, 123560), (4410, 111204), (4536, 108115), (5292, 92670), (5670, 86492), (5880, 83403), (6178, 79380), (6615, 74136), (7560, 64869), (7938, 61780), (8820, 55602), (9267, 52920), (10584, 46335), (11340, 43246), (12356, 39690), (13230, 37068), (15445, 31752), (15876, 30890), (17640, 27801), (18534, 26460), (19845, 24712), (21623, 22680)]