61757980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 137208960

約数和(自身を除く): 75450980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 491, 662, 982, 1324, 1655, 1964, 2455, 3310, 4910, 6289, 6620, 9329, 9820, 12578, 18658, 25156, 31445, 37316, 46645, 62890, 93290, 125780, 162521, 186580, 325042, 650084, 812605, 1625210, 3087899, 3250420, 6175798, 12351596, 15439495, 30878990, 61757980]

約数ペア:

[(1, 61757980), (2, 30878990), (4, 15439495), (5, 12351596), (10, 6175798), (19, 3250420), (20, 3087899), (38, 1625210), (76, 812605), (95, 650084), (190, 325042), (331, 186580), (380, 162521), (491, 125780), (662, 93290), (982, 62890), (1324, 46645), (1655, 37316), (1964, 31445), (2455, 25156), (3310, 18658), (4910, 12578), (6289, 9820), (6620, 9329)]