621908980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1926

約数の個数: 144

約数和(自身を含む): 1711729152

約数和(自身を除く): 1089820172

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 385, 434, 490, 539, 620, 682, 770, 868, 980, 1078, 1085, 1364, 1519, 1540, 1705, 1861, 2156, 2170, 2387, 2695, 3038, 3410, 3722, 4340, 4774, 5390, 6076, 6820, 7444, 7595, 9305, 9548, 10780, 11935, 13027, 15190, 16709, 18610, 20471, 23870, 26054, 30380, 33418, 37220, 40942, 47740, 52108, 57691, 65135, 66836, 81884, 83545, 91189, 102355, 115382, 130270, 143297, 167090, 182378, 204710, 230764, 260540, 286594, 288455, 334180, 364756, 403837, 409420, 455945, 573188, 576910, 634601, 716485, 807674, 911890, 1003079, 1153820, 1269202, 1432970, 1615348, 1823780, 2006158, 2019185, 2538404, 2826859, 2865940, 3173005, 4012316, 4038370, 4442207, 5015395, 5653718, 6346010, 8076740, 8884414, 10030790, 11307436, 12692020, 14134295, 17768828, 20061580, 22211035, 28268590, 31095449, 44422070, 56537180, 62190898, 88844140, 124381796, 155477245, 310954490, 621908980]

約数ペア:

[(1, 621908980), (2, 310954490), (4, 155477245), (5, 124381796), (7, 88844140), (10, 62190898), (11, 56537180), (14, 44422070), (20, 31095449), (22, 28268590), (28, 22211035), (31, 20061580), (35, 17768828), (44, 14134295), (49, 12692020), (55, 11307436), (62, 10030790), (70, 8884414), (77, 8076740), (98, 6346010), (110, 5653718), (124, 5015395), (140, 4442207), (154, 4038370), (155, 4012316), (196, 3173005), (217, 2865940), (220, 2826859), (245, 2538404), (308, 2019185), (310, 2006158), (341, 1823780), (385, 1615348), (434, 1432970), (490, 1269202), (539, 1153820), (620, 1003079), (682, 911890), (770, 807674), (868, 716485), (980, 634601), (1078, 576910), (1085, 573188), (1364, 455945), (1519, 409420), (1540, 403837), (1705, 364756), (1861, 334180), (2156, 288455), (2170, 286594), (2387, 260540), (2695, 230764), (3038, 204710), (3410, 182378), (3722, 167090), (4340, 143297), (4774, 130270), (5390, 115382), (6076, 102355), (6820, 91189), (7444, 83545), (7595, 81884), (9305, 66836), (9548, 65135), (10780, 57691), (11935, 52108), (13027, 47740), (15190, 40942), (16709, 37220), (18610, 33418), (20471, 30380), (23870, 26054)]