390131170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:2011

約数の個数: 64

約数和(自身を含む): 830995200

約数和(自身を除く): 440864030

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 149, 286, 298, 715, 745, 1430, 1490, 1639, 1831, 1937, 3278, 3662, 3874, 8195, 9155, 9685, 16390, 18310, 19370, 20141, 21307, 23803, 40282, 42614, 47606, 100705, 106535, 119015, 201410, 213070, 238030, 261833, 272819, 523666, 545638, 1309165, 1364095, 2618330, 2728190, 3001009, 3546647, 6002018, 7093294, 15005045, 17733235, 30010090, 35466470, 39013117, 78026234, 195065585, 390131170]

約数ペア:

[(1, 390131170), (2, 195065585), (5, 78026234), (10, 39013117), (11, 35466470), (13, 30010090), (22, 17733235), (26, 15005045), (55, 7093294), (65, 6002018), (110, 3546647), (130, 3001009), (143, 2728190), (149, 2618330), (286, 1364095), (298, 1309165), (715, 545638), (745, 523666), (1430, 272819), (1490, 261833), (1639, 238030), (1831, 213070), (1937, 201410), (3278, 119015), (3662, 106535), (3874, 100705), (8195, 47606), (9155, 42614), (9685, 40282), (16390, 23803), (18310, 21307), (19370, 20141)]