83644820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19273}}^1$

素因数の和:19320

約数の個数: 48

約数和(自身を含む): 207234048

約数和(自身を除く): 123589228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19273, 38546, 77092, 96365, 134911, 192730, 269822, 385460, 539644, 597463, 674555, 1194926, 1349110, 2389852, 2698220, 2987315, 4182241, 5974630, 8364482, 11949260, 16728964, 20911205, 41822410, 83644820]

約数ペア:

[(1, 83644820), (2, 41822410), (4, 20911205), (5, 16728964), (7, 11949260), (10, 8364482), (14, 5974630), (20, 4182241), (28, 2987315), (31, 2698220), (35, 2389852), (62, 1349110), (70, 1194926), (124, 674555), (140, 597463), (155, 539644), (217, 385460), (310, 269822), (434, 192730), (620, 134911), (868, 96365), (1085, 77092), (2170, 38546), (4340, 19273)]