7138724840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17623}}^1$

素因数の和:17707

約数の個数: 128

約数和(自身を含む): 18653241600

約数和(自身を除く): 11514516760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 104, 130, 152, 164, 190, 205, 247, 260, 328, 380, 410, 494, 520, 533, 760, 779, 820, 988, 1066, 1235, 1558, 1640, 1976, 2132, 2470, 2665, 3116, 3895, 4264, 4940, 5330, 6232, 7790, 9880, 10127, 10660, 15580, 17623, 20254, 21320, 31160, 35246, 40508, 50635, 70492, 81016, 88115, 101270, 140984, 176230, 202540, 229099, 334837, 352460, 405080, 458198, 669674, 704920, 722543, 916396, 1145495, 1339348, 1445086, 1674185, 1832792, 2290990, 2678696, 2890172, 3348370, 3612715, 4352881, 4581980, 5780344, 6696740, 7225430, 8705762, 9163960, 9393059, 13393480, 13728317, 14450860, 17411524, 18786118, 21764405, 27456634, 28901720, 34823048, 37572236, 43528810, 46965295, 54913268, 68641585, 75144472, 87057620, 93930590, 109826536, 137283170, 174115240, 178468121, 187861180, 274566340, 356936242, 375722360, 549132680, 713872484, 892340605, 1427744968, 1784681210, 3569362420, 7138724840]

約数ペア:

[(1, 7138724840), (2, 3569362420), (4, 1784681210), (5, 1427744968), (8, 892340605), (10, 713872484), (13, 549132680), (19, 375722360), (20, 356936242), (26, 274566340), (38, 187861180), (40, 178468121), (41, 174115240), (52, 137283170), (65, 109826536), (76, 93930590), (82, 87057620), (95, 75144472), (104, 68641585), (130, 54913268), (152, 46965295), (164, 43528810), (190, 37572236), (205, 34823048), (247, 28901720), (260, 27456634), (328, 21764405), (380, 18786118), (410, 17411524), (494, 14450860), (520, 13728317), (533, 13393480), (760, 9393059), (779, 9163960), (820, 8705762), (988, 7225430), (1066, 6696740), (1235, 5780344), (1558, 4581980), (1640, 4352881), (1976, 3612715), (2132, 3348370), (2470, 2890172), (2665, 2678696), (3116, 2290990), (3895, 1832792), (4264, 1674185), (4940, 1445086), (5330, 1339348), (6232, 1145495), (7790, 916396), (9880, 722543), (10127, 704920), (10660, 669674), (15580, 458198), (17623, 405080), (20254, 352460), (21320, 334837), (31160, 229099), (35246, 202540), (40508, 176230), (50635, 140984), (70492, 101270), (81016, 88115)]