157023020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101963}}^1$

素因数の和:101990

約数の個数: 48

約数和(自身を含む): 411118848

約数和(自身を除く): 254095828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 101963, 203926, 407852, 509815, 713741, 1019630, 1121593, 1427482, 2039260, 2243186, 2854964, 3568705, 4486372, 5607965, 7137410, 7851151, 11215930, 14274820, 15702302, 22431860, 31404604, 39255755, 78511510, 157023020]

約数ペア:

[(1, 157023020), (2, 78511510), (4, 39255755), (5, 31404604), (7, 22431860), (10, 15702302), (11, 14274820), (14, 11215930), (20, 7851151), (22, 7137410), (28, 5607965), (35, 4486372), (44, 3568705), (55, 2854964), (70, 2243186), (77, 2039260), (110, 1427482), (140, 1121593), (154, 1019630), (220, 713741), (308, 509815), (385, 407852), (770, 203926), (1540, 101963)]