399891240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1896

約数の個数: 192

約数和(自身を含む): 1502841600

約数和(自身を除く): 1102950360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 89, 90, 105, 120, 126, 140, 168, 178, 180, 210, 252, 267, 280, 315, 356, 360, 420, 445, 504, 534, 623, 630, 712, 801, 840, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1783, 1869, 2136, 2492, 2520, 2670, 3115, 3204, 3560, 3566, 3738, 4005, 4984, 5340, 5349, 5607, 6230, 6408, 7132, 7476, 8010, 8915, 9345, 10680, 10698, 11214, 12460, 12481, 14264, 14952, 16020, 16047, 17830, 18690, 21396, 22428, 24920, 24962, 26745, 28035, 32040, 32094, 35660, 37380, 37443, 42792, 44856, 49924, 53490, 56070, 62405, 64188, 71320, 74760, 74886, 80235, 99848, 106980, 112140, 112329, 124810, 128376, 149772, 158687, 160470, 187215, 213960, 224280, 224658, 249620, 299544, 317374, 320940, 374430, 449316, 476061, 499240, 561645, 634748, 641880, 748860, 793435, 898632, 952122, 1110809, 1123290, 1269496, 1428183, 1497720, 1586870, 1904244, 2221618, 2246580, 2380305, 2856366, 3173740, 3332427, 3808488, 4443236, 4493160, 4760610, 5554045, 5712732, 6347480, 6664854, 7140915, 8886472, 9521220, 9997281, 11108090, 11425464, 13329708, 14281830, 16662135, 19042440, 19994562, 22216180, 26659416, 28563660, 33324270, 39989124, 44432360, 49986405, 57127320, 66648540, 79978248, 99972810, 133297080, 199945620, 399891240]

約数ペア:

[(1, 399891240), (2, 199945620), (3, 133297080), (4, 99972810), (5, 79978248), (6, 66648540), (7, 57127320), (8, 49986405), (9, 44432360), (10, 39989124), (12, 33324270), (14, 28563660), (15, 26659416), (18, 22216180), (20, 19994562), (21, 19042440), (24, 16662135), (28, 14281830), (30, 13329708), (35, 11425464), (36, 11108090), (40, 9997281), (42, 9521220), (45, 8886472), (56, 7140915), (60, 6664854), (63, 6347480), (70, 5712732), (72, 5554045), (84, 4760610), (89, 4493160), (90, 4443236), (105, 3808488), (120, 3332427), (126, 3173740), (140, 2856366), (168, 2380305), (178, 2246580), (180, 2221618), (210, 1904244), (252, 1586870), (267, 1497720), (280, 1428183), (315, 1269496), (356, 1123290), (360, 1110809), (420, 952122), (445, 898632), (504, 793435), (534, 748860), (623, 641880), (630, 634748), (712, 561645), (801, 499240), (840, 476061), (890, 449316), (1068, 374430), (1246, 320940), (1260, 317374), (1335, 299544), (1602, 249620), (1780, 224658), (1783, 224280), (1869, 213960), (2136, 187215), (2492, 160470), (2520, 158687), (2670, 149772), (3115, 128376), (3204, 124810), (3560, 112329), (3566, 112140), (3738, 106980), (4005, 99848), (4984, 80235), (5340, 74886), (5349, 74760), (5607, 71320), (6230, 64188), (6408, 62405), (7132, 56070), (7476, 53490), (8010, 49924), (8915, 44856), (9345, 42792), (10680, 37443), (10698, 37380), (11214, 35660), (12460, 32094), (12481, 32040), (14264, 28035), (14952, 26745), (16020, 24962), (16047, 24920), (17830, 22428), (18690, 21396)]