409908520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{739}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 1078120800

約数和(自身を除く): 668212280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 283, 392, 490, 566, 739, 980, 1132, 1415, 1478, 1960, 1981, 2264, 2830, 2956, 3695, 3962, 5173, 5660, 5912, 7390, 7924, 9905, 10346, 11320, 13867, 14780, 15848, 19810, 20692, 25865, 27734, 29560, 36211, 39620, 41384, 51730, 55468, 69335, 72422, 79240, 103460, 110936, 138670, 144844, 181055, 206920, 209137, 277340, 289688, 362110, 418274, 554680, 724220, 836548, 1045685, 1448440, 1463959, 1673096, 2091370, 2927918, 4182740, 5855836, 7319795, 8365480, 10247713, 11711672, 14639590, 20495426, 29279180, 40990852, 51238565, 58558360, 81981704, 102477130, 204954260, 409908520]

約数ペア:

[(1, 409908520), (2, 204954260), (4, 102477130), (5, 81981704), (7, 58558360), (8, 51238565), (10, 40990852), (14, 29279180), (20, 20495426), (28, 14639590), (35, 11711672), (40, 10247713), (49, 8365480), (56, 7319795), (70, 5855836), (98, 4182740), (140, 2927918), (196, 2091370), (245, 1673096), (280, 1463959), (283, 1448440), (392, 1045685), (490, 836548), (566, 724220), (739, 554680), (980, 418274), (1132, 362110), (1415, 289688), (1478, 277340), (1960, 209137), (1981, 206920), (2264, 181055), (2830, 144844), (2956, 138670), (3695, 110936), (3962, 103460), (5173, 79240), (5660, 72422), (5912, 69335), (7390, 55468), (7924, 51730), (9905, 41384), (10346, 39620), (11320, 36211), (13867, 29560), (14780, 27734), (15848, 25865), (19810, 20692)]