290408560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7547}}^1$

素因数の和:7610

約数の個数: 80

約数和(自身を含む): 746889696

約数和(自身を除く): 456481136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7547, 7696, 9620, 15094, 19240, 30188, 37735, 38480, 60376, 75470, 98111, 120752, 150940, 196222, 279239, 301880, 392444, 490555, 558478, 603760, 784888, 981110, 1116956, 1396195, 1569776, 1962220, 2233912, 2792390, 3630107, 3924440, 4467824, 5584780, 7260214, 7848880, 11169560, 14520428, 18150535, 22339120, 29040856, 36301070, 58081712, 72602140, 145204280, 290408560]

約数ペア:

[(1, 290408560), (2, 145204280), (4, 72602140), (5, 58081712), (8, 36301070), (10, 29040856), (13, 22339120), (16, 18150535), (20, 14520428), (26, 11169560), (37, 7848880), (40, 7260214), (52, 5584780), (65, 4467824), (74, 3924440), (80, 3630107), (104, 2792390), (130, 2233912), (148, 1962220), (185, 1569776), (208, 1396195), (260, 1116956), (296, 981110), (370, 784888), (481, 603760), (520, 558478), (592, 490555), (740, 392444), (962, 301880), (1040, 279239), (1480, 196222), (1924, 150940), (2405, 120752), (2960, 98111), (3848, 75470), (4810, 60376), (7547, 38480), (7696, 37735), (9620, 30188), (15094, 19240)]