91241990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2277

約数の個数: 64

約数和(自身を含む): 204042240

約数和(自身を除く): 112800250

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 1085, 1178, 1330, 2170, 2213, 2945, 4123, 4426, 5890, 8246, 11065, 15491, 20615, 22130, 30982, 41230, 42047, 68603, 77455, 84094, 137206, 154910, 210235, 294329, 343015, 420470, 480221, 588658, 686030, 960442, 1303457, 1471645, 2401105, 2606914, 2943290, 4802210, 6517285, 9124199, 13034570, 18248398, 45620995, 91241990]

約数ペア:

[(1, 91241990), (2, 45620995), (5, 18248398), (7, 13034570), (10, 9124199), (14, 6517285), (19, 4802210), (31, 2943290), (35, 2606914), (38, 2401105), (62, 1471645), (70, 1303457), (95, 960442), (133, 686030), (155, 588658), (190, 480221), (217, 420470), (266, 343015), (310, 294329), (434, 210235), (589, 154910), (665, 137206), (1085, 84094), (1178, 77455), (1330, 68603), (2170, 42047), (2213, 41230), (2945, 30982), (4123, 22130), (4426, 20615), (5890, 15491), (8246, 11065)]