513699680020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2698853}}^1$

素因数の和:2699200

約数の個数: 48

約数和(自身を含む): 1117196011008

約数和(自身を除く): 603496330988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1228, 1535, 3070, 6140, 9517, 19034, 38068, 47585, 95170, 190340, 2698853, 5397706, 10795412, 13494265, 26988530, 53977060, 83664443, 167328886, 334657772, 418322215, 828547871, 836644430, 1657095742, 1673288860, 3314191484, 4142739355, 8285478710, 16570957420, 25684984001, 51369968002, 102739936004, 128424920005, 256849840010, 513699680020]

約数ペア:

[(1, 513699680020), (2, 256849840010), (4, 128424920005), (5, 102739936004), (10, 51369968002), (20, 25684984001), (31, 16570957420), (62, 8285478710), (124, 4142739355), (155, 3314191484), (307, 1673288860), (310, 1657095742), (614, 836644430), (620, 828547871), (1228, 418322215), (1535, 334657772), (3070, 167328886), (6140, 83664443), (9517, 53977060), (19034, 26988530), (38068, 13494265), (47585, 10795412), (95170, 5397706), (190340, 2698853)]