402788260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{7247}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 969260544

約数和(自身を除く): 566472284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7247, 7940, 11116, 13895, 14494, 27790, 28988, 36235, 50729, 55580, 72470, 101458, 144940, 202916, 253645, 507290, 1014580, 2877059, 5754118, 11508236, 14385295, 20139413, 28770590, 40278826, 57541180, 80557652, 100697065, 201394130, 402788260]

約数ペア:

[(1, 402788260), (2, 201394130), (4, 100697065), (5, 80557652), (7, 57541180), (10, 40278826), (14, 28770590), (20, 20139413), (28, 14385295), (35, 11508236), (70, 5754118), (140, 2877059), (397, 1014580), (794, 507290), (1588, 253645), (1985, 202916), (2779, 144940), (3970, 101458), (5558, 72470), (7247, 55580), (7940, 50729), (11116, 36235), (13895, 28988), (14494, 27790)]