974370640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{716449}}^1$

素因数の和:716479

約数の個数: 40

約数和(自身を含む): 2398674600

約数和(自身を除く): 1424303960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 716449, 1432898, 2865796, 3582245, 5731592, 7164490, 11463184, 12179633, 14328980, 24359266, 28657960, 48718532, 57315920, 60898165, 97437064, 121796330, 194874128, 243592660, 487185320, 974370640]

約数ペア:

[(1, 974370640), (2, 487185320), (4, 243592660), (5, 194874128), (8, 121796330), (10, 97437064), (16, 60898165), (17, 57315920), (20, 48718532), (34, 28657960), (40, 24359266), (68, 14328980), (80, 12179633), (85, 11463184), (136, 7164490), (170, 5731592), (272, 3582245), (340, 2865796), (680, 1432898), (1360, 716449)]