329603920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^2$

素因数の和:688

約数の個数: 60

約数和(自身を含む): 787504284

約数和(自身を除く): 457900364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 317, 328, 410, 634, 656, 820, 1268, 1585, 1640, 2536, 3170, 3280, 5072, 6340, 12680, 12997, 25360, 25994, 51988, 64985, 100489, 103976, 129970, 200978, 207952, 259940, 401956, 502445, 519880, 803912, 1004890, 1039760, 1607824, 2009780, 4019560, 4120049, 8039120, 8240098, 16480196, 20600245, 32960392, 41200490, 65920784, 82400980, 164801960, 329603920]

約数ペア:

[(1, 329603920), (2, 164801960), (4, 82400980), (5, 65920784), (8, 41200490), (10, 32960392), (16, 20600245), (20, 16480196), (40, 8240098), (41, 8039120), (80, 4120049), (82, 4019560), (164, 2009780), (205, 1607824), (317, 1039760), (328, 1004890), (410, 803912), (634, 519880), (656, 502445), (820, 401956), (1268, 259940), (1585, 207952), (1640, 200978), (2536, 129970), (3170, 103976), (3280, 100489), (5072, 64985), (6340, 51988), (12680, 25994), (12997, 25360)]