248644840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3130

約数の個数: 64

約数和(自身を含む): 587088000

約数和(自身を除く): 338443160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 2059, 2840, 3019, 4118, 6038, 8236, 10295, 12076, 15095, 16472, 20590, 24152, 30190, 41180, 60380, 82360, 87551, 120760, 175102, 214349, 350204, 428698, 437755, 700408, 857396, 875510, 1071745, 1714792, 1751020, 2143490, 3502040, 4286980, 6216121, 8573960, 12432242, 24864484, 31080605, 49728968, 62161210, 124322420, 248644840]

約数ペア:

[(1, 248644840), (2, 124322420), (4, 62161210), (5, 49728968), (8, 31080605), (10, 24864484), (20, 12432242), (29, 8573960), (40, 6216121), (58, 4286980), (71, 3502040), (116, 2143490), (142, 1751020), (145, 1714792), (232, 1071745), (284, 875510), (290, 857396), (355, 700408), (568, 437755), (580, 428698), (710, 350204), (1160, 214349), (1420, 175102), (2059, 120760), (2840, 87551), (3019, 82360), (4118, 60380), (6038, 41180), (8236, 30190), (10295, 24152), (12076, 20590), (15095, 16472)]