204579440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{859}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 515071200

約数和(自身を除く): 310491760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 260, 458, 520, 859, 916, 1040, 1145, 1718, 1832, 2290, 2977, 3436, 3664, 4295, 4580, 5954, 6872, 8590, 9160, 11167, 11908, 13744, 14885, 17180, 18320, 22334, 23816, 29770, 34360, 44668, 47632, 55835, 59540, 68720, 89336, 111670, 119080, 178672, 196711, 223340, 238160, 393422, 446680, 786844, 893360, 983555, 1573688, 1967110, 2557243, 3147376, 3934220, 5114486, 7868440, 10228972, 12786215, 15736880, 20457944, 25572430, 40915888, 51144860, 102289720, 204579440]

約数ペア:

[(1, 204579440), (2, 102289720), (4, 51144860), (5, 40915888), (8, 25572430), (10, 20457944), (13, 15736880), (16, 12786215), (20, 10228972), (26, 7868440), (40, 5114486), (52, 3934220), (65, 3147376), (80, 2557243), (104, 1967110), (130, 1573688), (208, 983555), (229, 893360), (260, 786844), (458, 446680), (520, 393422), (859, 238160), (916, 223340), (1040, 196711), (1145, 178672), (1718, 119080), (1832, 111670), (2290, 89336), (2977, 68720), (3436, 59540), (3664, 55835), (4295, 47632), (4580, 44668), (5954, 34360), (6872, 29770), (8590, 23816), (9160, 22334), (11167, 18320), (11908, 17180), (13744, 14885)]