131123560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4663}}^1$

素因数の和:4730

約数の個数: 64

約数和(自身を含む): 319017600

約数和(自身を除く): 187894040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 4663, 5624, 7030, 9326, 14060, 18652, 23315, 28120, 37304, 46630, 88597, 93260, 172531, 177194, 186520, 345062, 354388, 442985, 690124, 708776, 862655, 885970, 1380248, 1725310, 1771940, 3278089, 3450620, 3543880, 6556178, 6901240, 13112356, 16390445, 26224712, 32780890, 65561780, 131123560]

約数ペア:

[(1, 131123560), (2, 65561780), (4, 32780890), (5, 26224712), (8, 16390445), (10, 13112356), (19, 6901240), (20, 6556178), (37, 3543880), (38, 3450620), (40, 3278089), (74, 1771940), (76, 1725310), (95, 1380248), (148, 885970), (152, 862655), (185, 708776), (190, 690124), (296, 442985), (370, 354388), (380, 345062), (703, 186520), (740, 177194), (760, 172531), (1406, 93260), (1480, 88597), (2812, 46630), (3515, 37304), (4663, 28120), (5624, 23315), (7030, 18652), (9326, 14060)]