215403770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 426539520

約数和(自身を除く): 211135750

約数列:

[1, 2, 5, 10, 17, 34, 43, 79, 85, 86, 158, 170, 215, 373, 395, 430, 731, 746, 790, 1343, 1462, 1865, 2686, 3397, 3655, 3730, 6341, 6715, 6794, 7310, 12682, 13430, 16039, 16985, 29467, 31705, 32078, 33970, 57749, 58934, 63410, 80195, 115498, 147335, 160390, 272663, 288745, 294670, 500939, 545326, 577490, 1001878, 1267081, 1363315, 2504695, 2534162, 2726630, 5009390, 6335405, 12670810, 21540377, 43080754, 107701885, 215403770]

約数ペア:

[(1, 215403770), (2, 107701885), (5, 43080754), (10, 21540377), (17, 12670810), (34, 6335405), (43, 5009390), (79, 2726630), (85, 2534162), (86, 2504695), (158, 1363315), (170, 1267081), (215, 1001878), (373, 577490), (395, 545326), (430, 500939), (731, 294670), (746, 288745), (790, 272663), (1343, 160390), (1462, 147335), (1865, 115498), (2686, 80195), (3397, 63410), (3655, 58934), (3730, 57749), (6341, 33970), (6715, 32078), (6794, 31705), (7310, 29467), (12682, 16985), (13430, 16039)]