90394360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4547}}^1$

素因数の和:4636

約数の個数: 64

約数和(自身を含む): 235768320

約数和(自身を除く): 145373960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4547, 4970, 9094, 9940, 18188, 19880, 22735, 31829, 36376, 45470, 63658, 90940, 127316, 159145, 181880, 254632, 318290, 322837, 636580, 645674, 1273160, 1291348, 1614185, 2259859, 2582696, 3228370, 4519718, 6456740, 9039436, 11299295, 12913480, 18078872, 22598590, 45197180, 90394360]

約数ペア:

[(1, 90394360), (2, 45197180), (4, 22598590), (5, 18078872), (7, 12913480), (8, 11299295), (10, 9039436), (14, 6456740), (20, 4519718), (28, 3228370), (35, 2582696), (40, 2259859), (56, 1614185), (70, 1291348), (71, 1273160), (140, 645674), (142, 636580), (280, 322837), (284, 318290), (355, 254632), (497, 181880), (568, 159145), (710, 127316), (994, 90940), (1420, 63658), (1988, 45470), (2485, 36376), (2840, 31829), (3976, 22735), (4547, 19880), (4970, 18188), (9094, 9940)]