157417820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18433}}^1$

素因数の和:18510

約数の個数: 48

約数和(自身を含む): 384017088

約数和(自身を除く): 226599268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 18433, 36866, 73732, 92165, 129031, 184330, 258062, 368660, 516124, 645155, 1124413, 1290310, 2248826, 2580620, 4497652, 5622065, 7870891, 11244130, 15741782, 22488260, 31483564, 39354455, 78708910, 157417820]

約数ペア:

[(1, 157417820), (2, 78708910), (4, 39354455), (5, 31483564), (7, 22488260), (10, 15741782), (14, 11244130), (20, 7870891), (28, 5622065), (35, 4497652), (61, 2580620), (70, 2248826), (122, 1290310), (140, 1124413), (244, 645155), (305, 516124), (427, 368660), (610, 258062), (854, 184330), (1220, 129031), (1708, 92165), (2135, 73732), (4270, 36866), (8540, 18433)]