19994828140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{623669}}^1$

素因数の和:623914

約数の個数: 48

約数和(自身を含む): 48197217600

約数和(自身を除く): 28202389460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6412, 8015, 16030, 32060, 623669, 1247338, 2494676, 3118345, 4365683, 6236690, 8731366, 12473380, 17462732, 21828415, 43656830, 87313660, 142820201, 285640402, 571280804, 714101005, 999741407, 1428202010, 1999482814, 2856404020, 3998965628, 4998707035, 9997414070, 19994828140]

約数ペア:

[(1, 19994828140), (2, 9997414070), (4, 4998707035), (5, 3998965628), (7, 2856404020), (10, 1999482814), (14, 1428202010), (20, 999741407), (28, 714101005), (35, 571280804), (70, 285640402), (140, 142820201), (229, 87313660), (458, 43656830), (916, 21828415), (1145, 17462732), (1603, 12473380), (2290, 8731366), (3206, 6236690), (4580, 4365683), (6412, 3118345), (8015, 2494676), (16030, 1247338), (32060, 623669)]