355581040

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{18443}}^1$

素因数の和:18697

約数の個数: 40

約数和(自身を含む): 830201328

約数和(自身を除く): 474620288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 18443, 19280, 36886, 73772, 92215, 147544, 184430, 295088, 368860, 737720, 1475440, 4444763, 8889526, 17779052, 22223815, 35558104, 44447630, 71116208, 88895260, 177790520, 355581040]

約数ペア:

[(1, 355581040), (2, 177790520), (4, 88895260), (5, 71116208), (8, 44447630), (10, 35558104), (16, 22223815), (20, 17779052), (40, 8889526), (80, 4444763), (241, 1475440), (482, 737720), (964, 368860), (1205, 295088), (1928, 184430), (2410, 147544), (3856, 92215), (4820, 73772), (9640, 36886), (18443, 19280)]