201891910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3397

約数の個数: 64

約数和(自身を含む): 431827200

約数和(自身を除く): 229935290

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 290, 319, 418, 551, 638, 1045, 1102, 1595, 2090, 2755, 3190, 3331, 5510, 6061, 6662, 12122, 16655, 30305, 33310, 36641, 60610, 63289, 73282, 96599, 126578, 183205, 193198, 316445, 366410, 482995, 632890, 696179, 965990, 1062589, 1392358, 1835381, 2125178, 3480895, 3670762, 5312945, 6961790, 9176905, 10625890, 18353810, 20189191, 40378382, 100945955, 201891910]

約数ペア:

[(1, 201891910), (2, 100945955), (5, 40378382), (10, 20189191), (11, 18353810), (19, 10625890), (22, 9176905), (29, 6961790), (38, 5312945), (55, 3670762), (58, 3480895), (95, 2125178), (110, 1835381), (145, 1392358), (190, 1062589), (209, 965990), (290, 696179), (319, 632890), (418, 482995), (551, 366410), (638, 316445), (1045, 193198), (1102, 183205), (1595, 126578), (2090, 96599), (2755, 73282), (3190, 63289), (3331, 60610), (5510, 36641), (6061, 33310), (6662, 30305), (12122, 16655)]