320987425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 477112320

約数和(自身を除く): 156124895

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 253, 275, 437, 475, 575, 1045, 1265, 2185, 2671, 4807, 5225, 6325, 10925, 13355, 24035, 29381, 50749, 61433, 66775, 120175, 146905, 253745, 307165, 558239, 675763, 734525, 1167227, 1268725, 1535825, 2791195, 3378815, 5836135, 12839497, 13955975, 16894075, 29180675, 64197485, 320987425]

約数ペア:

[(1, 320987425), (5, 64197485), (11, 29180675), (19, 16894075), (23, 13955975), (25, 12839497), (55, 5836135), (95, 3378815), (115, 2791195), (209, 1535825), (253, 1268725), (275, 1167227), (437, 734525), (475, 675763), (575, 558239), (1045, 307165), (1265, 253745), (2185, 146905), (2671, 120175), (4807, 66775), (5225, 61433), (6325, 50749), (10925, 29381), (13355, 24035)]