55600840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 132840000

約数和(自身を除く): 77239160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 491, 596, 745, 760, 982, 1192, 1490, 1964, 2455, 2831, 2980, 3928, 4910, 5662, 5960, 9329, 9820, 11324, 14155, 18658, 19640, 22648, 28310, 37316, 46645, 56620, 73159, 74632, 93290, 113240, 146318, 186580, 292636, 365795, 373160, 585272, 731590, 1390021, 1463180, 2780042, 2926360, 5560084, 6950105, 11120168, 13900210, 27800420, 55600840]

約数ペア:

[(1, 55600840), (2, 27800420), (4, 13900210), (5, 11120168), (8, 6950105), (10, 5560084), (19, 2926360), (20, 2780042), (38, 1463180), (40, 1390021), (76, 731590), (95, 585272), (149, 373160), (152, 365795), (190, 292636), (298, 186580), (380, 146318), (491, 113240), (596, 93290), (745, 74632), (760, 73159), (982, 56620), (1192, 46645), (1490, 37316), (1964, 28310), (2455, 22648), (2831, 19640), (2980, 18658), (3928, 14155), (4910, 11324), (5662, 9820), (5960, 9329)]