39721890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 103420800

約数和(自身を除く): 63698910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 358, 390, 537, 569, 895, 1074, 1138, 1707, 1790, 2327, 2685, 2845, 3414, 4654, 5370, 5690, 6981, 7397, 8535, 11635, 13962, 14794, 17070, 22191, 23270, 34905, 36985, 44382, 69810, 73970, 101851, 110955, 203702, 221910, 305553, 509255, 611106, 1018510, 1324063, 1527765, 2648126, 3055530, 3972189, 6620315, 7944378, 13240630, 19860945, 39721890]

約数ペア:

[(1, 39721890), (2, 19860945), (3, 13240630), (5, 7944378), (6, 6620315), (10, 3972189), (13, 3055530), (15, 2648126), (26, 1527765), (30, 1324063), (39, 1018510), (65, 611106), (78, 509255), (130, 305553), (179, 221910), (195, 203702), (358, 110955), (390, 101851), (537, 73970), (569, 69810), (895, 44382), (1074, 36985), (1138, 34905), (1707, 23270), (1790, 22191), (2327, 17070), (2685, 14794), (2845, 13962), (3414, 11635), (4654, 8535), (5370, 7397), (5690, 6981)]