217470970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{761}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 425388024

約数和(自身を除く): 207917054

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 761, 1394, 1522, 1681, 3362, 3485, 3805, 6970, 7610, 8405, 12937, 16810, 25874, 28577, 31201, 57154, 62402, 64685, 129370, 142885, 156005, 285770, 312010, 530417, 1060834, 1279241, 2558482, 2652085, 5304170, 6396205, 12792410, 21747097, 43494194, 108735485, 217470970]

約数ペア:

[(1, 217470970), (2, 108735485), (5, 43494194), (10, 21747097), (17, 12792410), (34, 6396205), (41, 5304170), (82, 2652085), (85, 2558482), (170, 1279241), (205, 1060834), (410, 530417), (697, 312010), (761, 285770), (1394, 156005), (1522, 142885), (1681, 129370), (3362, 64685), (3485, 62402), (3805, 57154), (6970, 31201), (7610, 28577), (8405, 25874), (12937, 16810)]