161823620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26881}}^1$

素因数の和:26940

約数の個数: 48

約数和(自身を含む): 397423488

約数和(自身を除く): 235599868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 26881, 53762, 107524, 134405, 188167, 268810, 376334, 537620, 752668, 940835, 1155883, 1881670, 2311766, 3763340, 4623532, 5779415, 8091181, 11558830, 16182362, 23117660, 32364724, 40455905, 80911810, 161823620]

約数ペア:

[(1, 161823620), (2, 80911810), (4, 40455905), (5, 32364724), (7, 23117660), (10, 16182362), (14, 11558830), (20, 8091181), (28, 5779415), (35, 4623532), (43, 3763340), (70, 2311766), (86, 1881670), (140, 1155883), (172, 940835), (215, 752668), (301, 537620), (430, 376334), (602, 268810), (860, 188167), (1204, 134405), (1505, 107524), (3010, 53762), (6020, 26881)]