495712780

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 1054025280

約数和(自身を除く): 558312500

約数列:

[1, 2, 4, 5, 10, 20, 167, 193, 334, 386, 668, 769, 772, 835, 965, 1538, 1670, 1930, 3076, 3340, 3845, 3860, 7690, 15380, 32231, 64462, 128423, 128924, 148417, 161155, 256846, 296834, 322310, 513692, 593668, 642115, 644620, 742085, 1284230, 1484170, 2568460, 2968340, 24785639, 49571278, 99142556, 123928195, 247856390, 495712780]

約数ペア:

[(1, 495712780), (2, 247856390), (4, 123928195), (5, 99142556), (10, 49571278), (20, 24785639), (167, 2968340), (193, 2568460), (334, 1484170), (386, 1284230), (668, 742085), (769, 644620), (772, 642115), (835, 593668), (965, 513692), (1538, 322310), (1670, 296834), (1930, 256846), (3076, 161155), (3340, 148417), (3845, 128924), (3860, 128423), (7690, 64462), (15380, 32231)]