248567920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1373}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 605175552

約数和(自身を除く): 356607632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1373, 1460, 2263, 2480, 2746, 2920, 4526, 5492, 5840, 6865, 9052, 10984, 11315, 13730, 18104, 21968, 22630, 27460, 36208, 42563, 45260, 54920, 85126, 90520, 100229, 109840, 170252, 181040, 200458, 212815, 340504, 400916, 425630, 501145, 681008, 801832, 851260, 1002290, 1603664, 1702520, 2004580, 3107099, 3405040, 4009160, 6214198, 8018320, 12428396, 15535495, 24856792, 31070990, 49713584, 62141980, 124283960, 248567920]

約数ペア:

[(1, 248567920), (2, 124283960), (4, 62141980), (5, 49713584), (8, 31070990), (10, 24856792), (16, 15535495), (20, 12428396), (31, 8018320), (40, 6214198), (62, 4009160), (73, 3405040), (80, 3107099), (124, 2004580), (146, 1702520), (155, 1603664), (248, 1002290), (292, 851260), (310, 801832), (365, 681008), (496, 501145), (584, 425630), (620, 400916), (730, 340504), (1168, 212815), (1240, 200458), (1373, 181040), (1460, 170252), (2263, 109840), (2480, 100229), (2746, 90520), (2920, 85126), (4526, 54920), (5492, 45260), (5840, 42563), (6865, 36208), (9052, 27460), (10984, 22630), (11315, 21968), (13730, 18104)]