49948990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 111767040

約数和(自身を除く): 61818050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 131, 182, 262, 419, 455, 655, 838, 910, 917, 1310, 1703, 1834, 2095, 2933, 3406, 4190, 4585, 5447, 5866, 8515, 9170, 10894, 11921, 14665, 17030, 23842, 27235, 29330, 38129, 54470, 54889, 59605, 76258, 109778, 119210, 190645, 274445, 381290, 384223, 548890, 713557, 768446, 1427114, 1921115, 3567785, 3842230, 4994899, 7135570, 9989798, 24974495, 49948990]

約数ペア:

[(1, 49948990), (2, 24974495), (5, 9989798), (7, 7135570), (10, 4994899), (13, 3842230), (14, 3567785), (26, 1921115), (35, 1427114), (65, 768446), (70, 713557), (91, 548890), (130, 384223), (131, 381290), (182, 274445), (262, 190645), (419, 119210), (455, 109778), (655, 76258), (838, 59605), (910, 54889), (917, 54470), (1310, 38129), (1703, 29330), (1834, 27235), (2095, 23842), (2933, 17030), (3406, 14665), (4190, 11921), (4585, 10894), (5447, 9170), (5866, 8515)]