7918444820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{13913}}^1$

素因数の和:14145

約数の個数: 96

約数和(自身を含む): 19635436800

約数和(自身を除く): 11716991980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 199, 220, 260, 286, 398, 572, 715, 796, 995, 1430, 1990, 2189, 2587, 2860, 3980, 4378, 5174, 8756, 10348, 10945, 12935, 13913, 21890, 25870, 27826, 28457, 43780, 51740, 55652, 56914, 69565, 113828, 139130, 142285, 153043, 180869, 278260, 284570, 306086, 361738, 569140, 612172, 723476, 765215, 904345, 1530430, 1808690, 1989559, 2768687, 3060860, 3617380, 3979118, 5537374, 7958236, 9947795, 11074748, 13843435, 19895590, 27686870, 30455557, 35992931, 39791180, 55373740, 60911114, 71985862, 121822228, 143971724, 152277785, 179964655, 304555570, 359929310, 395922241, 609111140, 719858620, 791844482, 1583688964, 1979611205, 3959222410, 7918444820]

約数ペア:

[(1, 7918444820), (2, 3959222410), (4, 1979611205), (5, 1583688964), (10, 791844482), (11, 719858620), (13, 609111140), (20, 395922241), (22, 359929310), (26, 304555570), (44, 179964655), (52, 152277785), (55, 143971724), (65, 121822228), (110, 71985862), (130, 60911114), (143, 55373740), (199, 39791180), (220, 35992931), (260, 30455557), (286, 27686870), (398, 19895590), (572, 13843435), (715, 11074748), (796, 9947795), (995, 7958236), (1430, 5537374), (1990, 3979118), (2189, 3617380), (2587, 3060860), (2860, 2768687), (3980, 1989559), (4378, 1808690), (5174, 1530430), (8756, 904345), (10348, 765215), (10945, 723476), (12935, 612172), (13913, 569140), (21890, 361738), (25870, 306086), (27826, 284570), (28457, 278260), (43780, 180869), (51740, 153043), (55652, 142285), (56914, 139130), (69565, 113828)]