157639900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 376225920

約数和(自身を除く): 218586020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 550, 556, 695, 1031, 1100, 1390, 1529, 2062, 2780, 3058, 3475, 4124, 5155, 6116, 6950, 7645, 10310, 11341, 13900, 15290, 20620, 22682, 25775, 30580, 38225, 45364, 51550, 56705, 76450, 103100, 113410, 143309, 152900, 226820, 283525, 286618, 567050, 573236, 716545, 1134100, 1433090, 1576399, 2866180, 3152798, 3582725, 6305596, 7165450, 7881995, 14330900, 15763990, 31527980, 39409975, 78819950, 157639900]

約数ペア:

[(1, 157639900), (2, 78819950), (4, 39409975), (5, 31527980), (10, 15763990), (11, 14330900), (20, 7881995), (22, 7165450), (25, 6305596), (44, 3582725), (50, 3152798), (55, 2866180), (100, 1576399), (110, 1433090), (139, 1134100), (220, 716545), (275, 573236), (278, 567050), (550, 286618), (556, 283525), (695, 226820), (1031, 152900), (1100, 143309), (1390, 113410), (1529, 103100), (2062, 76450), (2780, 56705), (3058, 51550), (3475, 45364), (4124, 38225), (5155, 30580), (6116, 25775), (6950, 22682), (7645, 20620), (10310, 15290), (11341, 13900)]