407187830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{29231}}^1$

素因数の和:29444

約数の個数: 32

約数和(自身を含む): 841881600

約数和(自身を除く): 434693770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 29231, 58462, 146155, 204617, 292310, 409234, 1023085, 2046170, 5816969, 11633938, 29084845, 40718783, 58169690, 81437566, 203593915, 407187830]

約数ペア:

[(1, 407187830), (2, 203593915), (5, 81437566), (7, 58169690), (10, 40718783), (14, 29084845), (35, 11633938), (70, 5816969), (199, 2046170), (398, 1023085), (995, 409234), (1393, 292310), (1990, 204617), (2786, 146155), (6965, 58462), (13930, 29231)]