291204280

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{6217}}^1$

素因数の和:7399

約数の個数: 32

約数和(自身を含む): 655874640

約数和(自身を除く): 364670360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4684, 5855, 6217, 9368, 11710, 12434, 23420, 24868, 31085, 46840, 49736, 62170, 124340, 248680, 7280107, 14560214, 29120428, 36400535, 58240856, 72801070, 145602140, 291204280]

約数ペア:

[(1, 291204280), (2, 145602140), (4, 72801070), (5, 58240856), (8, 36400535), (10, 29120428), (20, 14560214), (40, 7280107), (1171, 248680), (2342, 124340), (4684, 62170), (5855, 49736), (6217, 46840), (9368, 31085), (11710, 24868), (12434, 23420)]