7139425880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 16784539200

約数和(自身を除く): 9645113320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 113, 172, 215, 218, 226, 337, 344, 430, 436, 452, 545, 565, 674, 860, 872, 904, 1090, 1130, 1348, 1685, 1720, 2180, 2260, 2696, 3370, 4360, 4520, 4687, 4859, 6740, 9374, 9718, 12317, 13480, 14491, 18748, 19436, 23435, 24295, 24634, 28982, 36733, 37496, 38081, 38872, 46870, 48590, 49268, 57964, 61585, 72455, 73466, 76162, 93740, 97180, 98536, 115928, 123170, 144910, 146932, 152324, 183665, 187480, 190405, 194360, 246340, 289820, 293864, 304648, 367330, 380810, 492680, 529631, 579640, 734660, 761620, 1059262, 1469320, 1523240, 1579519, 1637483, 2118524, 2648155, 3159038, 3274966, 4150829, 4237048, 5296310, 6318076, 6549932, 7897595, 8187415, 8301658, 10592620, 12636152, 13099864, 15795190, 16374830, 16603316, 20754145, 21185240, 31590380, 32749660, 33206632, 41508290, 63180760, 65499320, 83016580, 166033160, 178485647, 356971294, 713942588, 892428235, 1427885176, 1784856470, 3569712940, 7139425880]

約数ペア:

[(1, 7139425880), (2, 3569712940), (4, 1784856470), (5, 1427885176), (8, 892428235), (10, 713942588), (20, 356971294), (40, 178485647), (43, 166033160), (86, 83016580), (109, 65499320), (113, 63180760), (172, 41508290), (215, 33206632), (218, 32749660), (226, 31590380), (337, 21185240), (344, 20754145), (430, 16603316), (436, 16374830), (452, 15795190), (545, 13099864), (565, 12636152), (674, 10592620), (860, 8301658), (872, 8187415), (904, 7897595), (1090, 6549932), (1130, 6318076), (1348, 5296310), (1685, 4237048), (1720, 4150829), (2180, 3274966), (2260, 3159038), (2696, 2648155), (3370, 2118524), (4360, 1637483), (4520, 1579519), (4687, 1523240), (4859, 1469320), (6740, 1059262), (9374, 761620), (9718, 734660), (12317, 579640), (13480, 529631), (14491, 492680), (18748, 380810), (19436, 367330), (23435, 304648), (24295, 293864), (24634, 289820), (28982, 246340), (36733, 194360), (37496, 190405), (38081, 187480), (38872, 183665), (46870, 152324), (48590, 146932), (49268, 144910), (57964, 123170), (61585, 115928), (72455, 98536), (73466, 97180), (76162, 93740)]