198922640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2797}}^1$

素因数の和:2944

約数の個数: 80

約数和(自身を含む): 532918272

約数和(自身を除く): 333995632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 2797, 3556, 4445, 5080, 5594, 7112, 8890, 10160, 11188, 13985, 14224, 17780, 19579, 22376, 27970, 35560, 39158, 44752, 55940, 71120, 78316, 97895, 111880, 156632, 195790, 223760, 313264, 355219, 391580, 710438, 783160, 1420876, 1566320, 1776095, 2486533, 2841752, 3552190, 4973066, 5683504, 7104380, 9946132, 12432665, 14208760, 19892264, 24865330, 28417520, 39784528, 49730660, 99461320, 198922640]

約数ペア:

[(1, 198922640), (2, 99461320), (4, 49730660), (5, 39784528), (7, 28417520), (8, 24865330), (10, 19892264), (14, 14208760), (16, 12432665), (20, 9946132), (28, 7104380), (35, 5683504), (40, 4973066), (56, 3552190), (70, 2841752), (80, 2486533), (112, 1776095), (127, 1566320), (140, 1420876), (254, 783160), (280, 710438), (508, 391580), (560, 355219), (635, 313264), (889, 223760), (1016, 195790), (1270, 156632), (1778, 111880), (2032, 97895), (2540, 78316), (2797, 71120), (3556, 55940), (4445, 44752), (5080, 39158), (5594, 35560), (7112, 27970), (8890, 22376), (10160, 19579), (11188, 17780), (13985, 14224)]