286427820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{681971}}^1$

素因数の和:681990

約数の個数: 48

約数和(自身を含む): 916570368

約数和(自身を除く): 630142548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 681971, 1363942, 2045913, 2727884, 3409855, 4091826, 4773797, 6819710, 8183652, 9547594, 10229565, 13639420, 14321391, 19095188, 20459130, 23868985, 28642782, 40918260, 47737970, 57285564, 71606955, 95475940, 143213910, 286427820]

約数ペア:

[(1, 286427820), (2, 143213910), (3, 95475940), (4, 71606955), (5, 57285564), (6, 47737970), (7, 40918260), (10, 28642782), (12, 23868985), (14, 20459130), (15, 19095188), (20, 14321391), (21, 13639420), (28, 10229565), (30, 9547594), (35, 8183652), (42, 6819710), (60, 4773797), (70, 4091826), (84, 3409855), (105, 2727884), (140, 2045913), (210, 1363942), (420, 681971)]