268045375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 395006976

約数和(自身を除く): 126961601

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 125, 155, 221, 313, 325, 403, 425, 527, 775, 1105, 1565, 1625, 2015, 2125, 2635, 3875, 4069, 5321, 5525, 6851, 7825, 9703, 10075, 13175, 20345, 26605, 27625, 34255, 39125, 48515, 50375, 65875, 69173, 101725, 126139, 133025, 164951, 171275, 242575, 345865, 508625, 630695, 665125, 824755, 856375, 1212875, 1729325, 2144363, 3153475, 4123775, 8646625, 10721815, 15767375, 20618875, 53609075, 268045375]

約数ペア:

[(1, 268045375), (5, 53609075), (13, 20618875), (17, 15767375), (25, 10721815), (31, 8646625), (65, 4123775), (85, 3153475), (125, 2144363), (155, 1729325), (221, 1212875), (313, 856375), (325, 824755), (403, 665125), (425, 630695), (527, 508625), (775, 345865), (1105, 242575), (1565, 171275), (1625, 164951), (2015, 133025), (2125, 126139), (2635, 101725), (3875, 69173), (4069, 65875), (5321, 50375), (5525, 48515), (6851, 39125), (7825, 34255), (9703, 27625), (10075, 26605), (13175, 20345)]