157799740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{16823}}^1$

素因数の和:16906

約数の個数: 48

約数和(自身を含む): 384394752

約数和(自身を除く): 226595012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 16823, 33646, 67292, 84115, 117761, 168230, 235522, 336460, 471044, 588805, 1127141, 1177610, 2254282, 2355220, 4508564, 5635705, 7889987, 11271410, 15779974, 22542820, 31559948, 39449935, 78899870, 157799740]

約数ペア:

[(1, 157799740), (2, 78899870), (4, 39449935), (5, 31559948), (7, 22542820), (10, 15779974), (14, 11271410), (20, 7889987), (28, 5635705), (35, 4508564), (67, 2355220), (70, 2254282), (134, 1177610), (140, 1127141), (268, 588805), (335, 471044), (469, 336460), (670, 235522), (938, 168230), (1340, 117761), (1876, 84115), (2345, 67292), (4690, 33646), (9380, 16823)]