842804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{72907}}^1$

素因数の和:72952

約数の個数: 48

約数和(自身を含む): 2014448040

約数和(自身を除く): 1171643120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 72907, 145814, 291628, 364535, 583256, 729070, 1239419, 1458140, 2478838, 2916280, 4957676, 6197095, 9915352, 12394190, 21070123, 24788380, 42140246, 49576760, 84280492, 105350615, 168560984, 210701230, 421402460, 842804920]

約数ペア:

[(1, 842804920), (2, 421402460), (4, 210701230), (5, 168560984), (8, 105350615), (10, 84280492), (17, 49576760), (20, 42140246), (34, 24788380), (40, 21070123), (68, 12394190), (85, 9915352), (136, 6197095), (170, 4957676), (289, 2916280), (340, 2478838), (578, 1458140), (680, 1239419), (1156, 729070), (1445, 583256), (2312, 364535), (2890, 291628), (5780, 145814), (11560, 72907)]