745693780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 1802624544

約数和(自身を除く): 1056930764

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 113, 130, 170, 221, 226, 260, 340, 442, 452, 565, 884, 1105, 1130, 1469, 1493, 1921, 2210, 2260, 2938, 2986, 3842, 4420, 5876, 5972, 7345, 7465, 7684, 9605, 14690, 14930, 19210, 19409, 24973, 25381, 29380, 29860, 38420, 38818, 49946, 50762, 77636, 97045, 99892, 101524, 124865, 126905, 168709, 194090, 249730, 253810, 329953, 337418, 388180, 499460, 507620, 659906, 674836, 843545, 1319812, 1649765, 1687090, 2193217, 2868053, 3299530, 3374180, 4386434, 5736106, 6599060, 8772868, 10966085, 11472212, 14340265, 21932170, 28680530, 37284689, 43864340, 57361060, 74569378, 149138756, 186423445, 372846890, 745693780]

約数ペア:

[(1, 745693780), (2, 372846890), (4, 186423445), (5, 149138756), (10, 74569378), (13, 57361060), (17, 43864340), (20, 37284689), (26, 28680530), (34, 21932170), (52, 14340265), (65, 11472212), (68, 10966085), (85, 8772868), (113, 6599060), (130, 5736106), (170, 4386434), (221, 3374180), (226, 3299530), (260, 2868053), (340, 2193217), (442, 1687090), (452, 1649765), (565, 1319812), (884, 843545), (1105, 674836), (1130, 659906), (1469, 507620), (1493, 499460), (1921, 388180), (2210, 337418), (2260, 329953), (2938, 253810), (2986, 249730), (3842, 194090), (4420, 168709), (5876, 126905), (5972, 124865), (7345, 101524), (7465, 99892), (7684, 97045), (9605, 77636), (14690, 50762), (14930, 49946), (19210, 38818), (19409, 38420), (24973, 29860), (25381, 29380)]