1285570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 2903040

約数和(自身を除く): 1617470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 31, 55, 58, 62, 65, 110, 130, 143, 145, 155, 286, 290, 310, 319, 341, 377, 403, 638, 682, 715, 754, 806, 899, 1430, 1595, 1705, 1798, 1885, 2015, 3190, 3410, 3770, 4030, 4147, 4433, 4495, 8294, 8866, 8990, 9889, 11687, 19778, 20735, 22165, 23374, 41470, 44330, 49445, 58435, 98890, 116870, 128557, 257114, 642785, 1285570]

約数ペア:

[(1, 1285570), (2, 642785), (5, 257114), (10, 128557), (11, 116870), (13, 98890), (22, 58435), (26, 49445), (29, 44330), (31, 41470), (55, 23374), (58, 22165), (62, 20735), (65, 19778), (110, 11687), (130, 9889), (143, 8990), (145, 8866), (155, 8294), (286, 4495), (290, 4433), (310, 4147), (319, 4030), (341, 3770), (377, 3410), (403, 3190), (638, 2015), (682, 1885), (715, 1798), (754, 1705), (806, 1595), (899, 1430)]