493520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 1190400

約数和(自身を除く): 696880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 310, 398, 496, 620, 796, 995, 1240, 1592, 1990, 2480, 3184, 3980, 6169, 7960, 12338, 15920, 24676, 30845, 49352, 61690, 98704, 123380, 246760, 493520]

約数ペア:

[(1, 493520), (2, 246760), (4, 123380), (5, 98704), (8, 61690), (10, 49352), (16, 30845), (20, 24676), (31, 15920), (40, 12338), (62, 7960), (80, 6169), (124, 3980), (155, 3184), (199, 2480), (248, 1990), (310, 1592), (398, 1240), (496, 995), (620, 796)]