380675820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{906371}}^1$

素因数の和:906390

約数の個数: 48

約数和(自身を含む): 1218163968

約数和(自身を除く): 837488148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 906371, 1812742, 2719113, 3625484, 4531855, 5438226, 6344597, 9063710, 10876452, 12689194, 13595565, 18127420, 19033791, 25378388, 27191130, 31722985, 38067582, 54382260, 63445970, 76135164, 95168955, 126891940, 190337910, 380675820]

約数ペア:

[(1, 380675820), (2, 190337910), (3, 126891940), (4, 95168955), (5, 76135164), (6, 63445970), (7, 54382260), (10, 38067582), (12, 31722985), (14, 27191130), (15, 25378388), (20, 19033791), (21, 18127420), (28, 13595565), (30, 12689194), (35, 10876452), (42, 9063710), (60, 6344597), (70, 5438226), (84, 4531855), (105, 3625484), (140, 2719113), (210, 1812742), (420, 906371)]