419788360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7873}}^1$

素因数の和:7958

約数の個数: 64

約数和(自身を含む): 997793280

約数和(自身を除く): 578004920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 7873, 10664, 13330, 15746, 26660, 31492, 39365, 53320, 62984, 78730, 157460, 244063, 314920, 338539, 488126, 677078, 976252, 1220315, 1354156, 1692695, 1952504, 2440630, 2708312, 3385390, 4881260, 6770780, 9762520, 10494709, 13541560, 20989418, 41978836, 52473545, 83957672, 104947090, 209894180, 419788360]

約数ペア:

[(1, 419788360), (2, 209894180), (4, 104947090), (5, 83957672), (8, 52473545), (10, 41978836), (20, 20989418), (31, 13541560), (40, 10494709), (43, 9762520), (62, 6770780), (86, 4881260), (124, 3385390), (155, 2708312), (172, 2440630), (215, 1952504), (248, 1692695), (310, 1354156), (344, 1220315), (430, 976252), (620, 677078), (860, 488126), (1240, 338539), (1333, 314920), (1720, 244063), (2666, 157460), (5332, 78730), (6665, 62984), (7873, 53320), (10664, 39365), (13330, 31492), (15746, 26660)]