481109080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 1103220000

約数和(自身を除く): 622110920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 178, 298, 356, 445, 596, 712, 745, 890, 907, 1192, 1490, 1780, 1814, 2980, 3560, 3628, 4535, 5960, 7256, 9070, 13261, 18140, 26522, 36280, 53044, 66305, 80723, 106088, 132610, 135143, 161446, 265220, 270286, 322892, 403615, 530440, 540572, 645784, 675715, 807230, 1081144, 1351430, 1614460, 2702860, 3228920, 5405720, 12027727, 24055454, 48110908, 60138635, 96221816, 120277270, 240554540, 481109080]

約数ペア:

[(1, 481109080), (2, 240554540), (4, 120277270), (5, 96221816), (8, 60138635), (10, 48110908), (20, 24055454), (40, 12027727), (89, 5405720), (149, 3228920), (178, 2702860), (298, 1614460), (356, 1351430), (445, 1081144), (596, 807230), (712, 675715), (745, 645784), (890, 540572), (907, 530440), (1192, 403615), (1490, 322892), (1780, 270286), (1814, 265220), (2980, 161446), (3560, 135143), (3628, 132610), (4535, 106088), (5960, 80723), (7256, 66305), (9070, 53044), (13261, 36280), (18140, 26522)]