521971870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 1115337600

約数和(自身を除く): 593365730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 389, 406, 661, 778, 1015, 1322, 1945, 2030, 2723, 3305, 3890, 4627, 5446, 6610, 9254, 11281, 13615, 19169, 22562, 23135, 27230, 38338, 46270, 56405, 78967, 95845, 112810, 134183, 157934, 191690, 257129, 268366, 394835, 514258, 670915, 789670, 1285645, 1341830, 1799903, 2571290, 3599806, 7456741, 8999515, 14913482, 17999030, 37283705, 52197187, 74567410, 104394374, 260985935, 521971870]

約数ペア:

[(1, 521971870), (2, 260985935), (5, 104394374), (7, 74567410), (10, 52197187), (14, 37283705), (29, 17999030), (35, 14913482), (58, 8999515), (70, 7456741), (145, 3599806), (203, 2571290), (290, 1799903), (389, 1341830), (406, 1285645), (661, 789670), (778, 670915), (1015, 514258), (1322, 394835), (1945, 268366), (2030, 257129), (2723, 191690), (3305, 157934), (3890, 134183), (4627, 112810), (5446, 95845), (6610, 78967), (9254, 56405), (11281, 46270), (13615, 38338), (19169, 27230), (22562, 23135)]