90627800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^2\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 217212660

約数和(自身を除く): 126584860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 331, 370, 662, 740, 925, 1324, 1369, 1480, 1655, 1850, 2648, 2738, 3310, 3700, 5476, 6620, 6845, 7400, 8275, 10952, 12247, 13240, 13690, 16550, 24494, 27380, 33100, 34225, 48988, 54760, 61235, 66200, 68450, 97976, 122470, 136900, 244940, 273800, 306175, 453139, 489880, 612350, 906278, 1224700, 1812556, 2265695, 2449400, 3625112, 4531390, 9062780, 11328475, 18125560, 22656950, 45313900, 90627800]

約数ペア:

[(1, 90627800), (2, 45313900), (4, 22656950), (5, 18125560), (8, 11328475), (10, 9062780), (20, 4531390), (25, 3625112), (37, 2449400), (40, 2265695), (50, 1812556), (74, 1224700), (100, 906278), (148, 612350), (185, 489880), (200, 453139), (296, 306175), (331, 273800), (370, 244940), (662, 136900), (740, 122470), (925, 97976), (1324, 68450), (1369, 66200), (1480, 61235), (1655, 54760), (1850, 48988), (2648, 34225), (2738, 33100), (3310, 27380), (3700, 24494), (5476, 16550), (6620, 13690), (6845, 13240), (7400, 12247), (8275, 10952)]