49918860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 159999840

約数和(自身を除く): 110080980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 73, 87, 90, 116, 131, 145, 146, 174, 180, 219, 261, 262, 290, 292, 348, 365, 393, 435, 438, 522, 524, 580, 655, 657, 730, 786, 870, 876, 1044, 1095, 1179, 1305, 1310, 1314, 1460, 1572, 1740, 1965, 2117, 2190, 2358, 2610, 2620, 2628, 3285, 3799, 3930, 4234, 4380, 4716, 5220, 5895, 6351, 6570, 7598, 7860, 8468, 9563, 10585, 11397, 11790, 12702, 13140, 15196, 18995, 19053, 19126, 21170, 22794, 23580, 25404, 28689, 31755, 34191, 37990, 38106, 38252, 42340, 45588, 47815, 56985, 57378, 63510, 68382, 75980, 76212, 86067, 95265, 95630, 113970, 114756, 127020, 136764, 143445, 170955, 172134, 190530, 191260, 227940, 277327, 286890, 341910, 344268, 381060, 430335, 554654, 573780, 683820, 831981, 860670, 1109308, 1386635, 1663962, 1721340, 2495943, 2773270, 3327924, 4159905, 4991886, 5546540, 8319810, 9983772, 12479715, 16639620, 24959430, 49918860]

約数ペア:

[(1, 49918860), (2, 24959430), (3, 16639620), (4, 12479715), (5, 9983772), (6, 8319810), (9, 5546540), (10, 4991886), (12, 4159905), (15, 3327924), (18, 2773270), (20, 2495943), (29, 1721340), (30, 1663962), (36, 1386635), (45, 1109308), (58, 860670), (60, 831981), (73, 683820), (87, 573780), (90, 554654), (116, 430335), (131, 381060), (145, 344268), (146, 341910), (174, 286890), (180, 277327), (219, 227940), (261, 191260), (262, 190530), (290, 172134), (292, 170955), (348, 143445), (365, 136764), (393, 127020), (435, 114756), (438, 113970), (522, 95630), (524, 95265), (580, 86067), (655, 76212), (657, 75980), (730, 68382), (786, 63510), (870, 57378), (876, 56985), (1044, 47815), (1095, 45588), (1179, 42340), (1305, 38252), (1310, 38106), (1314, 37990), (1460, 34191), (1572, 31755), (1740, 28689), (1965, 25404), (2117, 23580), (2190, 22794), (2358, 21170), (2610, 19126), (2620, 19053), (2628, 18995), (3285, 15196), (3799, 13140), (3930, 12702), (4234, 11790), (4380, 11397), (4716, 10585), (5220, 9563), (5895, 8468), (6351, 7860), (6570, 7598)]