78545050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2851}}^1$

素因数の和:2911

約数の個数: 48

約数和(自身を含む): 159141600

約数和(自身を除く): 80596550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 2851, 5510, 5702, 13775, 14255, 27550, 28510, 54169, 71275, 82679, 108338, 142550, 165358, 270845, 413395, 541690, 826790, 1354225, 1570901, 2066975, 2708450, 3141802, 4133950, 7854505, 15709010, 39272525, 78545050]

約数ペア:

[(1, 78545050), (2, 39272525), (5, 15709010), (10, 7854505), (19, 4133950), (25, 3141802), (29, 2708450), (38, 2066975), (50, 1570901), (58, 1354225), (95, 826790), (145, 541690), (190, 413395), (290, 270845), (475, 165358), (551, 142550), (725, 108338), (950, 82679), (1102, 71275), (1450, 54169), (2755, 28510), (2851, 27550), (5510, 14255), (5702, 13775)]