805496491820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1\times {\mathrm{487111}}^1$

素因数の和:488138

約数の個数: 48

約数和(自身を含む): 1712393524800

約数和(自身を除く): 906897032980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 929, 1780, 1858, 3716, 4645, 9290, 18580, 82681, 165362, 330724, 413405, 487111, 826810, 974222, 1653620, 1948444, 2435555, 4871110, 9742220, 43352879, 86705758, 173411516, 216764395, 433528790, 452526119, 867057580, 905052238, 1810104476, 2262630595, 4525261190, 9050522380, 40274824591, 80549649182, 161099298364, 201374122955, 402748245910, 805496491820]

約数ペア:

[(1, 805496491820), (2, 402748245910), (4, 201374122955), (5, 161099298364), (10, 80549649182), (20, 40274824591), (89, 9050522380), (178, 4525261190), (356, 2262630595), (445, 1810104476), (890, 905052238), (929, 867057580), (1780, 452526119), (1858, 433528790), (3716, 216764395), (4645, 173411516), (9290, 86705758), (18580, 43352879), (82681, 9742220), (165362, 4871110), (330724, 2435555), (413405, 1948444), (487111, 1653620), (826810, 974222)]