2104905490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31667}}^1$

素因数の和:31731

約数の個数: 48

約数和(自身を含む): 4199936832

約数和(自身を除く): 2095031342

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 782, 1445, 1955, 2890, 3910, 6647, 13294, 31667, 33235, 63334, 66470, 158335, 316670, 538339, 728341, 1076678, 1456682, 2691695, 3641705, 5383390, 7283410, 9151763, 12381797, 18303526, 24763594, 45758815, 61908985, 91517630, 123817970, 210490549, 420981098, 1052452745, 2104905490]

約数ペア:

[(1, 2104905490), (2, 1052452745), (5, 420981098), (10, 210490549), (17, 123817970), (23, 91517630), (34, 61908985), (46, 45758815), (85, 24763594), (115, 18303526), (170, 12381797), (230, 9151763), (289, 7283410), (391, 5383390), (578, 3641705), (782, 2691695), (1445, 1456682), (1955, 1076678), (2890, 728341), (3910, 538339), (6647, 316670), (13294, 158335), (31667, 66470), (33235, 63334)]