251017580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1715

約数の個数: 96

約数和(自身を含む): 624117312

約数和(自身を除く): 373099732

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 170, 187, 205, 220, 340, 374, 410, 451, 697, 748, 820, 902, 935, 1394, 1637, 1804, 1870, 2255, 2788, 3274, 3485, 3740, 4510, 6548, 6970, 7667, 8185, 9020, 13940, 15334, 16370, 18007, 27829, 30668, 32740, 36014, 38335, 55658, 67117, 72028, 76670, 90035, 111316, 134234, 139145, 153340, 180070, 268468, 278290, 306119, 335585, 360140, 556580, 612238, 671170, 738287, 1140989, 1224476, 1342340, 1476574, 1530595, 2281978, 2953148, 3061190, 3691435, 4563956, 5704945, 6122380, 7382870, 11409890, 12550879, 14765740, 22819780, 25101758, 50203516, 62754395, 125508790, 251017580]

約数ペア:

[(1, 251017580), (2, 125508790), (4, 62754395), (5, 50203516), (10, 25101758), (11, 22819780), (17, 14765740), (20, 12550879), (22, 11409890), (34, 7382870), (41, 6122380), (44, 5704945), (55, 4563956), (68, 3691435), (82, 3061190), (85, 2953148), (110, 2281978), (164, 1530595), (170, 1476574), (187, 1342340), (205, 1224476), (220, 1140989), (340, 738287), (374, 671170), (410, 612238), (451, 556580), (697, 360140), (748, 335585), (820, 306119), (902, 278290), (935, 268468), (1394, 180070), (1637, 153340), (1804, 139145), (1870, 134234), (2255, 111316), (2788, 90035), (3274, 76670), (3485, 72028), (3740, 67117), (4510, 55658), (6548, 38335), (6970, 36014), (7667, 32740), (8185, 30668), (9020, 27829), (13940, 18007), (15334, 16370)]