254898900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31469}}^1$

素因数の和:31495

約数の個数: 90

約数和(自身を含む): 826307790

約数和(自身を除く): 571408890

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 31469, 62938, 94407, 125876, 157345, 188814, 283221, 314690, 377628, 472035, 566442, 629380, 786725, 849663, 944070, 1132884, 1416105, 1573450, 1699326, 1888140, 2360175, 2548989, 2832210, 3146900, 3398652, 4248315, 4720350, 5097978, 5664420, 7080525, 8496630, 9440700, 10195956, 12744945, 14161050, 16993260, 21241575, 25489890, 28322100, 42483150, 50979780, 63724725, 84966300, 127449450, 254898900]

約数ペア:

[(1, 254898900), (2, 127449450), (3, 84966300), (4, 63724725), (5, 50979780), (6, 42483150), (9, 28322100), (10, 25489890), (12, 21241575), (15, 16993260), (18, 14161050), (20, 12744945), (25, 10195956), (27, 9440700), (30, 8496630), (36, 7080525), (45, 5664420), (50, 5097978), (54, 4720350), (60, 4248315), (75, 3398652), (81, 3146900), (90, 2832210), (100, 2548989), (108, 2360175), (135, 1888140), (150, 1699326), (162, 1573450), (180, 1416105), (225, 1132884), (270, 944070), (300, 849663), (324, 786725), (405, 629380), (450, 566442), (540, 472035), (675, 377628), (810, 314690), (900, 283221), (1350, 188814), (1620, 157345), (2025, 125876), (2700, 94407), (4050, 62938), (8100, 31469)]