387479680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{86491}}^1$

素因数の和:86517

約数の個数: 64

約数和(自身を含む): 1058662080

約数和(自身を除く): 671182400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 86491, 172982, 345964, 432455, 605437, 691928, 864910, 1210874, 1383856, 1729820, 2421748, 2767712, 3027185, 3459640, 4843496, 5535424, 6054370, 6919280, 9686992, 11070848, 12108740, 13838560, 19373984, 24217480, 27677120, 38747968, 48434960, 55354240, 77495936, 96869920, 193739840, 387479680]

約数ペア:

[(1, 387479680), (2, 193739840), (4, 96869920), (5, 77495936), (7, 55354240), (8, 48434960), (10, 38747968), (14, 27677120), (16, 24217480), (20, 19373984), (28, 13838560), (32, 12108740), (35, 11070848), (40, 9686992), (56, 6919280), (64, 6054370), (70, 5535424), (80, 4843496), (112, 3459640), (128, 3027185), (140, 2767712), (160, 2421748), (224, 1729820), (280, 1383856), (320, 1210874), (448, 864910), (560, 691928), (640, 605437), (896, 432455), (1120, 345964), (2240, 172982), (4480, 86491)]