126991340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 313537392

約数和(自身を除く): 186546052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1283, 1414, 2020, 2566, 2828, 3535, 4949, 5132, 6415, 7070, 8981, 9898, 12830, 14140, 17962, 19796, 24745, 25660, 35924, 44905, 49490, 62867, 89810, 98980, 125734, 129583, 179620, 251468, 259166, 314335, 518332, 628670, 647915, 907081, 1257340, 1295830, 1814162, 2591660, 3628324, 4535405, 6349567, 9070810, 12699134, 18141620, 25398268, 31747835, 63495670, 126991340]

約数ペア:

[(1, 126991340), (2, 63495670), (4, 31747835), (5, 25398268), (7, 18141620), (10, 12699134), (14, 9070810), (20, 6349567), (28, 4535405), (35, 3628324), (49, 2591660), (70, 1814162), (98, 1295830), (101, 1257340), (140, 907081), (196, 647915), (202, 628670), (245, 518332), (404, 314335), (490, 259166), (505, 251468), (707, 179620), (980, 129583), (1010, 125734), (1283, 98980), (1414, 89810), (2020, 62867), (2566, 49490), (2828, 44905), (3535, 35924), (4949, 25660), (5132, 24745), (6415, 19796), (7070, 17962), (8981, 14140), (9898, 12830)]