64263700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 148428000

約数和(自身を除く): 84164300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 227, 298, 380, 454, 475, 596, 745, 908, 950, 1135, 1490, 1900, 2270, 2831, 2980, 3725, 4313, 4540, 5662, 5675, 7450, 8626, 11324, 11350, 14155, 14900, 17252, 21565, 22700, 28310, 33823, 43130, 56620, 67646, 70775, 86260, 107825, 135292, 141550, 169115, 215650, 283100, 338230, 431300, 642637, 676460, 845575, 1285274, 1691150, 2570548, 3213185, 3382300, 6426370, 12852740, 16065925, 32131850, 64263700]

約数ペア:

[(1, 64263700), (2, 32131850), (4, 16065925), (5, 12852740), (10, 6426370), (19, 3382300), (20, 3213185), (25, 2570548), (38, 1691150), (50, 1285274), (76, 845575), (95, 676460), (100, 642637), (149, 431300), (190, 338230), (227, 283100), (298, 215650), (380, 169115), (454, 141550), (475, 135292), (596, 107825), (745, 86260), (908, 70775), (950, 67646), (1135, 56620), (1490, 43130), (1900, 33823), (2270, 28310), (2831, 22700), (2980, 21565), (3725, 17252), (4313, 14900), (4540, 14155), (5662, 11350), (5675, 11324), (7450, 8626)]