1878482840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:933

約数の個数: 128

約数和(自身を含む): 4700747520

約数和(自身を除く): 2822264680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 101, 104, 130, 188, 202, 235, 260, 376, 404, 470, 505, 520, 611, 761, 808, 940, 1010, 1222, 1313, 1522, 1880, 2020, 2444, 2626, 3044, 3055, 3805, 4040, 4747, 4888, 5252, 6088, 6110, 6565, 7610, 9494, 9893, 10504, 12220, 13130, 15220, 18988, 19786, 23735, 24440, 26260, 30440, 35767, 37976, 39572, 47470, 49465, 52520, 61711, 71534, 76861, 79144, 94940, 98930, 123422, 143068, 153722, 178835, 189880, 197860, 246844, 286136, 307444, 308555, 357670, 384305, 395720, 464971, 493688, 614888, 617110, 715340, 768610, 929942, 999193, 1234220, 1430680, 1537220, 1859884, 1998386, 2324855, 2468440, 3074440, 3612467, 3719768, 3996772, 4649710, 4995965, 7224934, 7993544, 9299420, 9991930, 14449868, 18062335, 18598840, 19983860, 28899736, 36124670, 39967720, 46962071, 72249340, 93924142, 144498680, 187848284, 234810355, 375696568, 469620710, 939241420, 1878482840]

約数ペア:

[(1, 1878482840), (2, 939241420), (4, 469620710), (5, 375696568), (8, 234810355), (10, 187848284), (13, 144498680), (20, 93924142), (26, 72249340), (40, 46962071), (47, 39967720), (52, 36124670), (65, 28899736), (94, 19983860), (101, 18598840), (104, 18062335), (130, 14449868), (188, 9991930), (202, 9299420), (235, 7993544), (260, 7224934), (376, 4995965), (404, 4649710), (470, 3996772), (505, 3719768), (520, 3612467), (611, 3074440), (761, 2468440), (808, 2324855), (940, 1998386), (1010, 1859884), (1222, 1537220), (1313, 1430680), (1522, 1234220), (1880, 999193), (2020, 929942), (2444, 768610), (2626, 715340), (3044, 617110), (3055, 614888), (3805, 493688), (4040, 464971), (4747, 395720), (4888, 384305), (5252, 357670), (6088, 308555), (6110, 307444), (6565, 286136), (7610, 246844), (9494, 197860), (9893, 189880), (10504, 178835), (12220, 153722), (13130, 143068), (15220, 123422), (18988, 98930), (19786, 94940), (23735, 79144), (24440, 76861), (26260, 71534), (30440, 61711), (35767, 52520), (37976, 49465), (39572, 47470)]