71222000

素因数分解:

$2^4\times 5^3\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 80

約数和(自身を含む): 174096000

約数和(自身を除く): 102874000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 149, 200, 239, 250, 298, 400, 478, 500, 596, 745, 956, 1000, 1192, 1195, 1490, 1912, 2000, 2384, 2390, 2980, 3725, 3824, 4780, 5960, 5975, 7450, 9560, 11920, 11950, 14900, 18625, 19120, 23900, 29800, 29875, 35611, 37250, 47800, 59600, 59750, 71222, 74500, 95600, 119500, 142444, 149000, 178055, 239000, 284888, 298000, 356110, 478000, 569776, 712220, 890275, 1424440, 1780550, 2848880, 3561100, 4451375, 7122200, 8902750, 14244400, 17805500, 35611000, 71222000]

約数ペア:

[(1, 71222000), (2, 35611000), (4, 17805500), (5, 14244400), (8, 8902750), (10, 7122200), (16, 4451375), (20, 3561100), (25, 2848880), (40, 1780550), (50, 1424440), (80, 890275), (100, 712220), (125, 569776), (149, 478000), (200, 356110), (239, 298000), (250, 284888), (298, 239000), (400, 178055), (478, 149000), (500, 142444), (596, 119500), (745, 95600), (956, 74500), (1000, 71222), (1192, 59750), (1195, 59600), (1490, 47800), (1912, 37250), (2000, 35611), (2384, 29875), (2390, 29800), (2980, 23900), (3725, 19120), (3824, 18625), (4780, 14900), (5960, 11950), (5975, 11920), (7450, 9560)]