251704740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 192

約数和(自身を含む): 845365248

約数和(自身を除く): 593660508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 47, 60, 70, 82, 84, 94, 105, 123, 140, 141, 164, 188, 205, 210, 235, 246, 282, 287, 311, 329, 410, 420, 470, 492, 564, 574, 615, 622, 658, 705, 820, 861, 933, 940, 987, 1148, 1230, 1244, 1316, 1410, 1435, 1555, 1645, 1722, 1866, 1927, 1974, 2177, 2460, 2820, 2870, 3110, 3290, 3444, 3732, 3854, 3948, 4305, 4354, 4665, 4935, 5740, 5781, 6220, 6531, 6580, 7708, 8610, 8708, 9330, 9635, 9870, 10885, 11562, 12751, 13062, 13489, 14617, 17220, 18660, 19270, 19740, 21770, 23124, 25502, 26124, 26978, 28905, 29234, 32655, 38253, 38540, 40467, 43540, 43851, 51004, 53956, 57810, 58468, 63755, 65310, 67445, 73085, 76506, 80934, 87702, 89257, 102319, 115620, 127510, 130620, 134890, 146170, 153012, 161868, 175404, 178514, 191265, 202335, 204638, 219255, 255020, 267771, 269780, 292340, 306957, 357028, 382530, 404670, 409276, 438510, 446285, 511595, 535542, 599297, 613914, 765060, 809340, 877020, 892570, 1023190, 1071084, 1198594, 1227828, 1338855, 1534785, 1785140, 1797891, 2046380, 2397188, 2677710, 2996485, 3069570, 3595782, 4195079, 5355420, 5992970, 6139140, 7191564, 8390158, 8989455, 11985940, 12585237, 16780316, 17978910, 20975395, 25170474, 35957820, 41950790, 50340948, 62926185, 83901580, 125852370, 251704740]

約数ペア:

[(1, 251704740), (2, 125852370), (3, 83901580), (4, 62926185), (5, 50340948), (6, 41950790), (7, 35957820), (10, 25170474), (12, 20975395), (14, 17978910), (15, 16780316), (20, 12585237), (21, 11985940), (28, 8989455), (30, 8390158), (35, 7191564), (41, 6139140), (42, 5992970), (47, 5355420), (60, 4195079), (70, 3595782), (82, 3069570), (84, 2996485), (94, 2677710), (105, 2397188), (123, 2046380), (140, 1797891), (141, 1785140), (164, 1534785), (188, 1338855), (205, 1227828), (210, 1198594), (235, 1071084), (246, 1023190), (282, 892570), (287, 877020), (311, 809340), (329, 765060), (410, 613914), (420, 599297), (470, 535542), (492, 511595), (564, 446285), (574, 438510), (615, 409276), (622, 404670), (658, 382530), (705, 357028), (820, 306957), (861, 292340), (933, 269780), (940, 267771), (987, 255020), (1148, 219255), (1230, 204638), (1244, 202335), (1316, 191265), (1410, 178514), (1435, 175404), (1555, 161868), (1645, 153012), (1722, 146170), (1866, 134890), (1927, 130620), (1974, 127510), (2177, 115620), (2460, 102319), (2820, 89257), (2870, 87702), (3110, 80934), (3290, 76506), (3444, 73085), (3732, 67445), (3854, 65310), (3948, 63755), (4305, 58468), (4354, 57810), (4665, 53956), (4935, 51004), (5740, 43851), (5781, 43540), (6220, 40467), (6531, 38540), (6580, 38253), (7708, 32655), (8610, 29234), (8708, 28905), (9330, 26978), (9635, 26124), (9870, 25502), (10885, 23124), (11562, 21770), (12751, 19740), (13062, 19270), (13489, 18660), (14617, 17220)]