1330872280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1867}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 3050369280

約数和(自身を除く): 1719497000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 284, 355, 502, 568, 710, 1004, 1255, 1420, 1867, 2008, 2510, 2840, 3734, 5020, 7468, 9335, 10040, 14936, 17821, 18670, 35642, 37340, 71284, 74680, 89105, 132557, 142568, 178210, 265114, 356420, 468617, 530228, 662785, 712840, 937234, 1060456, 1325570, 1874468, 2343085, 2651140, 3748936, 4686170, 5302280, 9372340, 18744680, 33271807, 66543614, 133087228, 166359035, 266174456, 332718070, 665436140, 1330872280]

約数ペア:

[(1, 1330872280), (2, 665436140), (4, 332718070), (5, 266174456), (8, 166359035), (10, 133087228), (20, 66543614), (40, 33271807), (71, 18744680), (142, 9372340), (251, 5302280), (284, 4686170), (355, 3748936), (502, 2651140), (568, 2343085), (710, 1874468), (1004, 1325570), (1255, 1060456), (1420, 937234), (1867, 712840), (2008, 662785), (2510, 530228), (2840, 468617), (3734, 356420), (5020, 265114), (7468, 178210), (9335, 142568), (10040, 132557), (14936, 89105), (17821, 74680), (18670, 71284), (35642, 37340)]