17415980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 38144736

約数和(自身を除く): 20728756

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 317, 335, 410, 634, 670, 820, 1268, 1340, 1585, 2747, 3170, 5494, 6340, 10988, 12997, 13735, 21239, 25994, 27470, 42478, 51988, 54940, 64985, 84956, 106195, 129970, 212390, 259940, 424780, 870799, 1741598, 3483196, 4353995, 8707990, 17415980]

約数ペア:

[(1, 17415980), (2, 8707990), (4, 4353995), (5, 3483196), (10, 1741598), (20, 870799), (41, 424780), (67, 259940), (82, 212390), (134, 129970), (164, 106195), (205, 84956), (268, 64985), (317, 54940), (335, 51988), (410, 42478), (634, 27470), (670, 25994), (820, 21239), (1268, 13735), (1340, 12997), (1585, 10988), (2747, 6340), (3170, 5494)]