190516640

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3061}}^1$

素因数の和:3465

約数の個数: 48

約数和(自身を含む): 451400040

約数和(自身を除く): 260883400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3061, 3112, 3890, 6122, 6224, 7780, 12244, 12448, 15305, 15560, 24488, 30610, 31120, 48976, 61220, 62240, 97952, 122440, 244880, 489760, 1190729, 2381458, 4762916, 5953645, 9525832, 11907290, 19051664, 23814580, 38103328, 47629160, 95258320, 190516640]

約数ペア:

[(1, 190516640), (2, 95258320), (4, 47629160), (5, 38103328), (8, 23814580), (10, 19051664), (16, 11907290), (20, 9525832), (32, 5953645), (40, 4762916), (80, 2381458), (160, 1190729), (389, 489760), (778, 244880), (1556, 122440), (1945, 97952), (3061, 62240), (3112, 61220), (3890, 48976), (6122, 31120), (6224, 30610), (7780, 24488), (12244, 15560), (12448, 15305)]