81550000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 226672992

約数和(自身を除く): 145122992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 233, 250, 280, 350, 400, 466, 500, 560, 625, 700, 875, 932, 1000, 1165, 1250, 1400, 1631, 1750, 1864, 2000, 2330, 2500, 2800, 3125, 3262, 3500, 3728, 4375, 4660, 5000, 5825, 6250, 6524, 7000, 8155, 8750, 9320, 10000, 11650, 12500, 13048, 14000, 16310, 17500, 18640, 21875, 23300, 25000, 26096, 29125, 32620, 35000, 40775, 43750, 46600, 50000, 58250, 65240, 70000, 81550, 87500, 93200, 116500, 130480, 145625, 163100, 175000, 203875, 233000, 291250, 326200, 350000, 407750, 466000, 582500, 652400, 728125, 815500, 1019375, 1165000, 1456250, 1631000, 2038750, 2330000, 2912500, 3262000, 4077500, 5096875, 5825000, 8155000, 10193750, 11650000, 16310000, 20387500, 40775000, 81550000]

約数ペア:

[(1, 81550000), (2, 40775000), (4, 20387500), (5, 16310000), (7, 11650000), (8, 10193750), (10, 8155000), (14, 5825000), (16, 5096875), (20, 4077500), (25, 3262000), (28, 2912500), (35, 2330000), (40, 2038750), (50, 1631000), (56, 1456250), (70, 1165000), (80, 1019375), (100, 815500), (112, 728125), (125, 652400), (140, 582500), (175, 466000), (200, 407750), (233, 350000), (250, 326200), (280, 291250), (350, 233000), (400, 203875), (466, 175000), (500, 163100), (560, 145625), (625, 130480), (700, 116500), (875, 93200), (932, 87500), (1000, 81550), (1165, 70000), (1250, 65240), (1400, 58250), (1631, 50000), (1750, 46600), (1864, 43750), (2000, 40775), (2330, 35000), (2500, 32620), (2800, 29125), (3125, 26096), (3262, 25000), (3500, 23300), (3728, 21875), (4375, 18640), (4660, 17500), (5000, 16310), (5825, 14000), (6250, 13048), (6524, 12500), (7000, 11650), (8155, 10000), (8750, 9320)]