209250620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19910

約数の個数: 48

約数和(自身を含む): 480307968

約数和(自身を除く): 271057348

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 19853, 39706, 79412, 99265, 198530, 337501, 397060, 615443, 675002, 1230886, 1350004, 1687505, 2461772, 3077215, 3375010, 6154430, 6750020, 10462531, 12308860, 20925062, 41850124, 52312655, 104625310, 209250620]

約数ペア:

[(1, 209250620), (2, 104625310), (4, 52312655), (5, 41850124), (10, 20925062), (17, 12308860), (20, 10462531), (31, 6750020), (34, 6154430), (62, 3375010), (68, 3077215), (85, 2461772), (124, 1687505), (155, 1350004), (170, 1230886), (310, 675002), (340, 615443), (527, 397060), (620, 337501), (1054, 198530), (2108, 99265), (2635, 79412), (5270, 39706), (10540, 19853)]