163774940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68813}}^1$

素因数の和:68846

約数の個数: 48

約数和(自身を含む): 416187072

約数和(自身を除く): 252412132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 68813, 137626, 275252, 344065, 481691, 688130, 963382, 1169821, 1376260, 1926764, 2339642, 2408455, 4679284, 4816910, 5849105, 8188747, 9633820, 11698210, 16377494, 23396420, 32754988, 40943735, 81887470, 163774940]

約数ペア:

[(1, 163774940), (2, 81887470), (4, 40943735), (5, 32754988), (7, 23396420), (10, 16377494), (14, 11698210), (17, 9633820), (20, 8188747), (28, 5849105), (34, 4816910), (35, 4679284), (68, 2408455), (70, 2339642), (85, 1926764), (119, 1376260), (140, 1169821), (170, 963382), (238, 688130), (340, 481691), (476, 344065), (595, 275252), (1190, 137626), (2380, 68813)]