4065050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 8704800

約数和(自身を除く): 4639750

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 389, 418, 475, 550, 778, 950, 1045, 1945, 2090, 3890, 4279, 5225, 7391, 8558, 9725, 10450, 14782, 19450, 21395, 36955, 42790, 73910, 81301, 106975, 162602, 184775, 213950, 369550, 406505, 813010, 2032525, 4065050]

約数ペア:

[(1, 4065050), (2, 2032525), (5, 813010), (10, 406505), (11, 369550), (19, 213950), (22, 184775), (25, 162602), (38, 106975), (50, 81301), (55, 73910), (95, 42790), (110, 36955), (190, 21395), (209, 19450), (275, 14782), (389, 10450), (418, 9725), (475, 8558), (550, 7391), (778, 5225), (950, 4279), (1045, 3890), (1945, 2090)]