4688440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 11520000

約数和(自身を除く): 6831560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 199, 248, 310, 380, 398, 589, 620, 760, 796, 995, 1178, 1240, 1592, 1990, 2356, 2945, 3781, 3980, 4712, 5890, 6169, 7562, 7960, 11780, 12338, 15124, 18905, 23560, 24676, 30248, 30845, 37810, 49352, 61690, 75620, 117211, 123380, 151240, 234422, 246760, 468844, 586055, 937688, 1172110, 2344220, 4688440]

約数ペア:

[(1, 4688440), (2, 2344220), (4, 1172110), (5, 937688), (8, 586055), (10, 468844), (19, 246760), (20, 234422), (31, 151240), (38, 123380), (40, 117211), (62, 75620), (76, 61690), (95, 49352), (124, 37810), (152, 30845), (155, 30248), (190, 24676), (199, 23560), (248, 18905), (310, 15124), (380, 12338), (398, 11780), (589, 7960), (620, 7562), (760, 6169), (796, 5890), (995, 4712), (1178, 3980), (1240, 3781), (1592, 2945), (1990, 2356)]