70591240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 92704760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 251, 316, 356, 395, 445, 502, 632, 712, 790, 890, 1004, 1255, 1580, 1780, 2008, 2510, 3160, 3560, 5020, 7031, 10040, 14062, 19829, 22339, 28124, 35155, 39658, 44678, 56248, 70310, 79316, 89356, 99145, 111695, 140620, 158632, 178712, 198290, 223390, 281240, 396580, 446780, 793160, 893560, 1764781, 3529562, 7059124, 8823905, 14118248, 17647810, 35295620, 70591240]

約数ペア:

[(1, 70591240), (2, 35295620), (4, 17647810), (5, 14118248), (8, 8823905), (10, 7059124), (20, 3529562), (40, 1764781), (79, 893560), (89, 793160), (158, 446780), (178, 396580), (251, 281240), (316, 223390), (356, 198290), (395, 178712), (445, 158632), (502, 140620), (632, 111695), (712, 99145), (790, 89356), (890, 79316), (1004, 70310), (1255, 56248), (1580, 44678), (1780, 39658), (2008, 35155), (2510, 28124), (3160, 22339), (3560, 19829), (5020, 14062), (7031, 10040)]