257282610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{34721}}^1$

素因数の和:34763

約数の個数: 64

約数和(自身を含む): 699995520

約数和(自身を除く): 442712910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 34721, 69442, 104163, 173605, 208326, 347210, 451373, 520815, 659699, 902746, 1041630, 1319398, 1354119, 1979097, 2256865, 2708238, 3298495, 3958194, 4513730, 6596990, 6770595, 8576087, 9895485, 13541190, 17152174, 19790970, 25728261, 42880435, 51456522, 85760870, 128641305, 257282610]

約数ペア:

[(1, 257282610), (2, 128641305), (3, 85760870), (5, 51456522), (6, 42880435), (10, 25728261), (13, 19790970), (15, 17152174), (19, 13541190), (26, 9895485), (30, 8576087), (38, 6770595), (39, 6596990), (57, 4513730), (65, 3958194), (78, 3298495), (95, 2708238), (114, 2256865), (130, 1979097), (190, 1354119), (195, 1319398), (247, 1041630), (285, 902746), (390, 659699), (494, 520815), (570, 451373), (741, 347210), (1235, 208326), (1482, 173605), (2470, 104163), (3705, 69442), (7410, 34721)]