688385960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{6079}}^1$

素因数の和:6258

約数の個数: 64

約数和(自身を含む): 1641600000

約数和(自身を除く): 953214040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 6079, 11324, 12158, 14155, 22648, 24316, 28310, 30395, 48632, 56620, 60790, 113240, 115501, 121580, 231002, 243160, 462004, 577505, 905771, 924008, 1155010, 1811542, 2310020, 3623084, 4528855, 4620040, 7246168, 9057710, 17209649, 18115420, 34419298, 36230840, 68838596, 86048245, 137677192, 172096490, 344192980, 688385960]

約数ペア:

[(1, 688385960), (2, 344192980), (4, 172096490), (5, 137677192), (8, 86048245), (10, 68838596), (19, 36230840), (20, 34419298), (38, 18115420), (40, 17209649), (76, 9057710), (95, 7246168), (149, 4620040), (152, 4528855), (190, 3623084), (298, 2310020), (380, 1811542), (596, 1155010), (745, 924008), (760, 905771), (1192, 577505), (1490, 462004), (2831, 243160), (2980, 231002), (5662, 121580), (5960, 115501), (6079, 113240), (11324, 60790), (12158, 56620), (14155, 48632), (22648, 30395), (24316, 28310)]