426879920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4090

約数の個数: 80

約数和(自身を含む): 1048599552

約数和(自身を除く): 621719632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 4003, 5332, 6665, 8006, 10664, 13330, 16012, 20015, 21328, 26660, 32024, 40030, 53320, 64048, 80060, 106640, 124093, 160120, 172129, 248186, 320240, 344258, 496372, 620465, 688516, 860645, 992744, 1240930, 1377032, 1721290, 1985488, 2481860, 2754064, 3442580, 4963720, 5335999, 6885160, 9927440, 10671998, 13770320, 21343996, 26679995, 42687992, 53359990, 85375984, 106719980, 213439960, 426879920]

約数ペア:

[(1, 426879920), (2, 213439960), (4, 106719980), (5, 85375984), (8, 53359990), (10, 42687992), (16, 26679995), (20, 21343996), (31, 13770320), (40, 10671998), (43, 9927440), (62, 6885160), (80, 5335999), (86, 4963720), (124, 3442580), (155, 2754064), (172, 2481860), (215, 1985488), (248, 1721290), (310, 1377032), (344, 1240930), (430, 992744), (496, 860645), (620, 688516), (688, 620465), (860, 496372), (1240, 344258), (1333, 320240), (1720, 248186), (2480, 172129), (2666, 160120), (3440, 124093), (4003, 106640), (5332, 80060), (6665, 64048), (8006, 53320), (10664, 40030), (13330, 32024), (16012, 26660), (20015, 21328)]