619892740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7372

約数の個数: 48

約数和(自身を含む): 1353623040

約数和(自身を除く): 733730300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 7193, 8618, 14386, 17236, 21545, 28772, 35965, 43090, 71930, 86180, 143860, 222983, 445966, 891932, 999827, 1114915, 1999654, 2229830, 3999308, 4459660, 4999135, 9998270, 19996540, 30994637, 61989274, 123978548, 154973185, 309946370, 619892740]

約数ペア:

[(1, 619892740), (2, 309946370), (4, 154973185), (5, 123978548), (10, 61989274), (20, 30994637), (31, 19996540), (62, 9998270), (124, 4999135), (139, 4459660), (155, 3999308), (278, 2229830), (310, 1999654), (556, 1114915), (620, 999827), (695, 891932), (1390, 445966), (2780, 222983), (4309, 143860), (7193, 86180), (8618, 71930), (14386, 43090), (17236, 35965), (21545, 28772)]