1388895050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{1459}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 2628700800

約数和(自身を除く): 1239805750

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 241, 395, 482, 790, 1205, 1459, 1975, 2410, 2918, 3950, 6025, 7295, 12050, 14590, 19039, 36475, 38078, 72950, 95195, 115261, 190390, 230522, 351619, 475975, 576305, 703238, 951950, 1152610, 1758095, 2881525, 3516190, 5763050, 8790475, 17580950, 27777901, 55555802, 138889505, 277779010, 694447525, 1388895050]

約数ペア:

[(1, 1388895050), (2, 694447525), (5, 277779010), (10, 138889505), (25, 55555802), (50, 27777901), (79, 17580950), (158, 8790475), (241, 5763050), (395, 3516190), (482, 2881525), (790, 1758095), (1205, 1152610), (1459, 951950), (1975, 703238), (2410, 576305), (2918, 475975), (3950, 351619), (6025, 230522), (7295, 190390), (12050, 115261), (14590, 95195), (19039, 72950), (36475, 38078)]