1851900220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{3169}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 3962246400

約数和(自身を除く): 2110346180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 479, 610, 958, 1220, 1916, 2395, 3169, 4790, 6338, 9580, 12676, 15845, 29219, 31690, 58438, 63380, 116876, 146095, 193309, 292190, 386618, 584380, 773236, 966545, 1517951, 1933090, 3035902, 3866180, 6071804, 7589755, 15179510, 30359020, 92595011, 185190022, 370380044, 462975055, 925950110, 1851900220]

約数ペア:

[(1, 1851900220), (2, 925950110), (4, 462975055), (5, 370380044), (10, 185190022), (20, 92595011), (61, 30359020), (122, 15179510), (244, 7589755), (305, 6071804), (479, 3866180), (610, 3035902), (958, 1933090), (1220, 1517951), (1916, 966545), (2395, 773236), (3169, 584380), (4790, 386618), (6338, 292190), (9580, 193309), (12676, 146095), (15845, 116876), (29219, 63380), (31690, 58438)]