320418635

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 441372672

約数和(自身を除く): 120954037

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 289, 311, 391, 527, 713, 1445, 1555, 1955, 2635, 3565, 5287, 6647, 7153, 8959, 9641, 12121, 26435, 33235, 35765, 44795, 48205, 60605, 89879, 121601, 163897, 206057, 221743, 449395, 608005, 819485, 1030285, 1108715, 2067217, 2786249, 3769631, 10336085, 13931245, 18848155, 64083727, 320418635]

約数ペア:

[(1, 320418635), (5, 64083727), (17, 18848155), (23, 13931245), (31, 10336085), (85, 3769631), (115, 2786249), (155, 2067217), (289, 1108715), (311, 1030285), (391, 819485), (527, 608005), (713, 449395), (1445, 221743), (1555, 206057), (1955, 163897), (2635, 121601), (3565, 89879), (5287, 60605), (6647, 48205), (7153, 44795), (8959, 35765), (9641, 33235), (12121, 26435)]