1215691400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78941}}^1$

素因数の和:78975

約数の個数: 96

約数和(自身を含む): 3523970880

約数和(自身を除く): 2308279480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1400, 1540, 1925, 2200, 3080, 3850, 7700, 15400, 78941, 157882, 315764, 394705, 552587, 631528, 789410, 868351, 1105174, 1578820, 1736702, 1973525, 2210348, 2762935, 3157640, 3473404, 3947050, 4341755, 4420696, 5525870, 6078457, 6946808, 7894100, 8683510, 11051740, 12156914, 13814675, 15788200, 17367020, 21708775, 22103480, 24313828, 27629350, 30392285, 34734040, 43417550, 48627656, 55258700, 60784570, 86835100, 110517400, 121569140, 151961425, 173670200, 243138280, 303922850, 607845700, 1215691400]

約数ペア:

[(1, 1215691400), (2, 607845700), (4, 303922850), (5, 243138280), (7, 173670200), (8, 151961425), (10, 121569140), (11, 110517400), (14, 86835100), (20, 60784570), (22, 55258700), (25, 48627656), (28, 43417550), (35, 34734040), (40, 30392285), (44, 27629350), (50, 24313828), (55, 22103480), (56, 21708775), (70, 17367020), (77, 15788200), (88, 13814675), (100, 12156914), (110, 11051740), (140, 8683510), (154, 7894100), (175, 6946808), (200, 6078457), (220, 5525870), (275, 4420696), (280, 4341755), (308, 3947050), (350, 3473404), (385, 3157640), (440, 2762935), (550, 2210348), (616, 1973525), (700, 1736702), (770, 1578820), (1100, 1105174), (1400, 868351), (1540, 789410), (1925, 631528), (2200, 552587), (3080, 394705), (3850, 315764), (7700, 157882), (15400, 78941)]