858375980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1579}}^1$

素因数の和:1959

約数の個数: 96

約数和(自身を含む): 2255178240

約数和(自身を除く): 1396802260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 353, 385, 706, 770, 1412, 1540, 1579, 1765, 2471, 3158, 3530, 3883, 4942, 6316, 7060, 7766, 7895, 9884, 11053, 12355, 15532, 15790, 17369, 19415, 22106, 24710, 27181, 31580, 34738, 38830, 44212, 49420, 54362, 55265, 69476, 77660, 86845, 108724, 110530, 121583, 135905, 173690, 221060, 243166, 271810, 347380, 486332, 543620, 557387, 607915, 1114774, 1215830, 2229548, 2431660, 2786935, 3901709, 5573870, 6131257, 7803418, 11147740, 12262514, 15606836, 19508545, 24525028, 30656285, 39017090, 42918799, 61312570, 78034180, 85837598, 122625140, 171675196, 214593995, 429187990, 858375980]

約数ペア:

[(1, 858375980), (2, 429187990), (4, 214593995), (5, 171675196), (7, 122625140), (10, 85837598), (11, 78034180), (14, 61312570), (20, 42918799), (22, 39017090), (28, 30656285), (35, 24525028), (44, 19508545), (55, 15606836), (70, 12262514), (77, 11147740), (110, 7803418), (140, 6131257), (154, 5573870), (220, 3901709), (308, 2786935), (353, 2431660), (385, 2229548), (706, 1215830), (770, 1114774), (1412, 607915), (1540, 557387), (1579, 543620), (1765, 486332), (2471, 347380), (3158, 271810), (3530, 243166), (3883, 221060), (4942, 173690), (6316, 135905), (7060, 121583), (7766, 110530), (7895, 108724), (9884, 86845), (11053, 77660), (12355, 69476), (15532, 55265), (15790, 54362), (17369, 49420), (19415, 44212), (22106, 38830), (24710, 34738), (27181, 31580)]