101390840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 243648000

約数和(自身を除く): 142257160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1879, 2698, 2840, 3758, 5396, 6745, 7516, 9395, 10792, 13490, 15032, 18790, 26980, 35701, 37580, 53960, 71402, 75160, 133409, 142804, 178505, 266818, 285608, 357010, 533636, 667045, 714020, 1067272, 1334090, 1428040, 2534771, 2668180, 5069542, 5336360, 10139084, 12673855, 20278168, 25347710, 50695420, 101390840]

約数ペア:

[(1, 101390840), (2, 50695420), (4, 25347710), (5, 20278168), (8, 12673855), (10, 10139084), (19, 5336360), (20, 5069542), (38, 2668180), (40, 2534771), (71, 1428040), (76, 1334090), (95, 1067272), (142, 714020), (152, 667045), (190, 533636), (284, 357010), (355, 285608), (380, 266818), (568, 178505), (710, 142804), (760, 133409), (1349, 75160), (1420, 71402), (1879, 53960), (2698, 37580), (2840, 35701), (3758, 26980), (5396, 18790), (6745, 15032), (7516, 13490), (9395, 10792)]