78329780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 173933760

約数和(自身を除く): 95603980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 571, 722, 1142, 1444, 1805, 2284, 2855, 3610, 5710, 6859, 7220, 10849, 11420, 13718, 21698, 27436, 34295, 43396, 54245, 68590, 108490, 137180, 206131, 216980, 412262, 824524, 1030655, 2061310, 3916489, 4122620, 7832978, 15665956, 19582445, 39164890, 78329780]

約数ペア:

[(1, 78329780), (2, 39164890), (4, 19582445), (5, 15665956), (10, 7832978), (19, 4122620), (20, 3916489), (38, 2061310), (76, 1030655), (95, 824524), (190, 412262), (361, 216980), (380, 206131), (571, 137180), (722, 108490), (1142, 68590), (1444, 54245), (1805, 43396), (2284, 34295), (2855, 27436), (3610, 21698), (5710, 13718), (6859, 11420), (7220, 10849)]