201549320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4831}}^1$

素因数の和:4998

約数の個数: 64

約数和(自身を含む): 521856000

約数和(自身を除く): 320306680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 4831, 5215, 5960, 8344, 9662, 10430, 19324, 20860, 24155, 33817, 38648, 41720, 48310, 67634, 96620, 135268, 169085, 193240, 270536, 338170, 676340, 719819, 1352680, 1439638, 2879276, 3599095, 5038733, 5758552, 7198190, 10077466, 14396380, 20154932, 25193665, 28792760, 40309864, 50387330, 100774660, 201549320]

約数ペア:

[(1, 201549320), (2, 100774660), (4, 50387330), (5, 40309864), (7, 28792760), (8, 25193665), (10, 20154932), (14, 14396380), (20, 10077466), (28, 7198190), (35, 5758552), (40, 5038733), (56, 3599095), (70, 2879276), (140, 1439638), (149, 1352680), (280, 719819), (298, 676340), (596, 338170), (745, 270536), (1043, 193240), (1192, 169085), (1490, 135268), (2086, 96620), (2980, 67634), (4172, 48310), (4831, 41720), (5215, 38648), (5960, 33817), (8344, 24155), (9662, 20860), (10430, 19324)]