138955960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 128

約数和(自身を含む): 389188800

約数和(自身を除く): 250232840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 680, 715, 748, 884, 935, 1105, 1144, 1429, 1430, 1496, 1768, 1870, 2210, 2431, 2858, 2860, 3740, 4420, 4862, 5716, 5720, 7145, 7480, 8840, 9724, 11432, 12155, 14290, 15719, 18577, 19448, 24293, 24310, 28580, 31438, 37154, 48586, 48620, 57160, 62876, 74308, 78595, 92885, 97172, 97240, 121465, 125752, 148616, 157190, 185770, 194344, 204347, 242930, 267223, 314380, 315809, 371540, 408694, 485860, 534446, 628760, 631618, 743080, 817388, 971720, 1021735, 1068892, 1263236, 1336115, 1579045, 1634776, 2043470, 2137784, 2526472, 2672230, 3158090, 3473899, 4086940, 5344460, 6316180, 6947798, 8173880, 10688920, 12632360, 13895596, 17369495, 27791192, 34738990, 69477980, 138955960]

約数ペア:

[(1, 138955960), (2, 69477980), (4, 34738990), (5, 27791192), (8, 17369495), (10, 13895596), (11, 12632360), (13, 10688920), (17, 8173880), (20, 6947798), (22, 6316180), (26, 5344460), (34, 4086940), (40, 3473899), (44, 3158090), (52, 2672230), (55, 2526472), (65, 2137784), (68, 2043470), (85, 1634776), (88, 1579045), (104, 1336115), (110, 1263236), (130, 1068892), (136, 1021735), (143, 971720), (170, 817388), (187, 743080), (220, 631618), (221, 628760), (260, 534446), (286, 485860), (340, 408694), (374, 371540), (440, 315809), (442, 314380), (520, 267223), (572, 242930), (680, 204347), (715, 194344), (748, 185770), (884, 157190), (935, 148616), (1105, 125752), (1144, 121465), (1429, 97240), (1430, 97172), (1496, 92885), (1768, 78595), (1870, 74308), (2210, 62876), (2431, 57160), (2858, 48620), (2860, 48586), (3740, 37154), (4420, 31438), (4862, 28580), (5716, 24310), (5720, 24293), (7145, 19448), (7480, 18577), (8840, 15719), (9724, 14290), (11432, 12155)]