7748000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 20638800

約数和(自身を除く): 12890800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 149, 160, 200, 208, 250, 260, 298, 325, 400, 416, 500, 520, 596, 650, 745, 800, 1000, 1040, 1192, 1300, 1490, 1625, 1937, 2000, 2080, 2384, 2600, 2980, 3250, 3725, 3874, 4000, 4768, 5200, 5960, 6500, 7450, 7748, 9685, 10400, 11920, 13000, 14900, 15496, 18625, 19370, 23840, 26000, 29800, 30992, 37250, 38740, 48425, 52000, 59600, 61984, 74500, 77480, 96850, 119200, 149000, 154960, 193700, 242125, 298000, 309920, 387400, 484250, 596000, 774800, 968500, 1549600, 1937000, 3874000, 7748000]

約数ペア:

[(1, 7748000), (2, 3874000), (4, 1937000), (5, 1549600), (8, 968500), (10, 774800), (13, 596000), (16, 484250), (20, 387400), (25, 309920), (26, 298000), (32, 242125), (40, 193700), (50, 154960), (52, 149000), (65, 119200), (80, 96850), (100, 77480), (104, 74500), (125, 61984), (130, 59600), (149, 52000), (160, 48425), (200, 38740), (208, 37250), (250, 30992), (260, 29800), (298, 26000), (325, 23840), (400, 19370), (416, 18625), (500, 15496), (520, 14900), (596, 13000), (650, 11920), (745, 10400), (800, 9685), (1000, 7748), (1040, 7450), (1192, 6500), (1300, 5960), (1490, 5200), (1625, 4768), (1937, 4000), (2000, 3874), (2080, 3725), (2384, 3250), (2600, 2980)]