2344220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 5376000

約数和(自身を除く): 3031780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 199, 310, 380, 398, 589, 620, 796, 995, 1178, 1990, 2356, 2945, 3781, 3980, 5890, 6169, 7562, 11780, 12338, 15124, 18905, 24676, 30845, 37810, 61690, 75620, 117211, 123380, 234422, 468844, 586055, 1172110, 2344220]

約数ペア:

[(1, 2344220), (2, 1172110), (4, 586055), (5, 468844), (10, 234422), (19, 123380), (20, 117211), (31, 75620), (38, 61690), (62, 37810), (76, 30845), (95, 24676), (124, 18905), (155, 15124), (190, 12338), (199, 11780), (310, 7562), (380, 6169), (398, 5890), (589, 3980), (620, 3781), (796, 2945), (995, 2356), (1178, 1990)]