285078170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 575963136

約数和(自身を除く): 290884966

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 127, 130, 155, 254, 310, 403, 557, 635, 806, 1114, 1270, 1651, 2015, 2785, 3302, 3937, 4030, 5570, 7241, 7874, 8255, 14482, 16510, 17267, 19685, 34534, 36205, 39370, 51181, 70739, 72410, 86335, 102362, 141478, 172670, 224471, 255905, 353695, 448942, 511810, 707390, 919607, 1122355, 1839214, 2192909, 2244710, 4385818, 4598035, 9196070, 10964545, 21929090, 28507817, 57015634, 142539085, 285078170]

約数ペア:

[(1, 285078170), (2, 142539085), (5, 57015634), (10, 28507817), (13, 21929090), (26, 10964545), (31, 9196070), (62, 4598035), (65, 4385818), (127, 2244710), (130, 2192909), (155, 1839214), (254, 1122355), (310, 919607), (403, 707390), (557, 511810), (635, 448942), (806, 353695), (1114, 255905), (1270, 224471), (1651, 172670), (2015, 141478), (2785, 102362), (3302, 86335), (3937, 72410), (4030, 70739), (5570, 51181), (7241, 39370), (7874, 36205), (8255, 34534), (14482, 19685), (16510, 17267)]