161970340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19609}}^1$

素因数の和:19684

約数の個数: 48

約数和(自身を含む): 395337600

約数和(自身を除く): 233367260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 19609, 39218, 78436, 98045, 137263, 196090, 274526, 392180, 549052, 686315, 1156931, 1372630, 2313862, 2745260, 4627724, 5784655, 8098517, 11569310, 16197034, 23138620, 32394068, 40492585, 80985170, 161970340]

約数ペア:

[(1, 161970340), (2, 80985170), (4, 40492585), (5, 32394068), (7, 23138620), (10, 16197034), (14, 11569310), (20, 8098517), (28, 5784655), (35, 4627724), (59, 2745260), (70, 2313862), (118, 1372630), (140, 1156931), (236, 686315), (295, 549052), (413, 392180), (590, 274526), (826, 196090), (1180, 137263), (1652, 98045), (2065, 78436), (4130, 39218), (8260, 19609)]