1280930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 2730240

約数和(自身を除く): 1449310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 631, 1015, 1262, 2030, 3155, 4417, 6310, 8834, 18299, 22085, 36598, 44170, 91495, 128093, 182990, 256186, 640465, 1280930]

約数ペア:

[(1, 1280930), (2, 640465), (5, 256186), (7, 182990), (10, 128093), (14, 91495), (29, 44170), (35, 36598), (58, 22085), (70, 18299), (145, 8834), (203, 6310), (290, 4417), (406, 3155), (631, 2030), (1015, 1262)]