1390223780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{41849}}^1$

素因数の和:42020

約数の個数: 48

約数和(自身を含む): 3206044800

約数和(自身を除く): 1815821020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6644, 8305, 16610, 33220, 41849, 83698, 167396, 209245, 418490, 460339, 836980, 920678, 1841356, 2301695, 4603390, 6319199, 9206780, 12638398, 25276796, 31595995, 63191990, 69511189, 126383980, 139022378, 278044756, 347555945, 695111890, 1390223780]

約数ペア:

[(1, 1390223780), (2, 695111890), (4, 347555945), (5, 278044756), (10, 139022378), (11, 126383980), (20, 69511189), (22, 63191990), (44, 31595995), (55, 25276796), (110, 12638398), (151, 9206780), (220, 6319199), (302, 4603390), (604, 2301695), (755, 1841356), (1510, 920678), (1661, 836980), (3020, 460339), (3322, 418490), (6644, 209245), (8305, 167396), (16610, 83698), (33220, 41849)]