9718828420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{105023}}^1$

素因数の和:105700

約数の個数: 48

約数和(自身を含む): 23360698368

約数和(自身を除く): 13641869948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4627, 6610, 9254, 13220, 18508, 23135, 46270, 92540, 105023, 210046, 420092, 525115, 735161, 1050230, 1470322, 2100460, 2940644, 3675805, 7351610, 14703220, 69420203, 138840406, 277680812, 347101015, 485941421, 694202030, 971882842, 1388404060, 1943765684, 2429707105, 4859414210, 9718828420]

約数ペア:

[(1, 9718828420), (2, 4859414210), (4, 2429707105), (5, 1943765684), (7, 1388404060), (10, 971882842), (14, 694202030), (20, 485941421), (28, 347101015), (35, 277680812), (70, 138840406), (140, 69420203), (661, 14703220), (1322, 7351610), (2644, 3675805), (3305, 2940644), (4627, 2100460), (6610, 1470322), (9254, 1050230), (13220, 735161), (18508, 525115), (23135, 420092), (46270, 210046), (92540, 105023)]