1887986173660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{3400919}}^1$

素因数の和:3401646

約数の個数: 48

約数和(自身を含む): 4067473112640

約数和(自身を除く): 2179486938980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 677, 820, 1354, 2708, 3385, 6770, 13540, 27757, 55514, 111028, 138785, 277570, 555140, 3400919, 6801838, 13603676, 17004595, 34009190, 68018380, 139437679, 278875358, 557750716, 697188395, 1394376790, 2302422163, 2788753580, 4604844326, 9209688652, 11512110815, 23024221630, 46048443260, 94399308683, 188798617366, 377597234732, 471996543415, 943993086830, 1887986173660]

約数ペア:

[(1, 1887986173660), (2, 943993086830), (4, 471996543415), (5, 377597234732), (10, 188798617366), (20, 94399308683), (41, 46048443260), (82, 23024221630), (164, 11512110815), (205, 9209688652), (410, 4604844326), (677, 2788753580), (820, 2302422163), (1354, 1394376790), (2708, 697188395), (3385, 557750716), (6770, 278875358), (13540, 139437679), (27757, 68018380), (55514, 34009190), (111028, 17004595), (138785, 13603676), (277570, 6801838), (555140, 3400919)]