30758975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 13238209

約数列:

[1, 5, 13, 25, 31, 43, 65, 71, 155, 215, 325, 355, 403, 559, 775, 923, 1075, 1333, 1775, 2015, 2201, 2795, 3053, 4615, 6665, 10075, 11005, 13975, 15265, 17329, 23075, 28613, 33325, 39689, 55025, 76325, 86645, 94643, 143065, 198445, 433225, 473215, 715325, 992225, 1230359, 2366075, 6151795, 30758975]

約数ペア:

[(1, 30758975), (5, 6151795), (13, 2366075), (25, 1230359), (31, 992225), (43, 715325), (65, 473215), (71, 433225), (155, 198445), (215, 143065), (325, 94643), (355, 86645), (403, 76325), (559, 55025), (775, 39689), (923, 33325), (1075, 28613), (1333, 23075), (1775, 17329), (2015, 15265), (2201, 13975), (2795, 11005), (3053, 10075), (4615, 6665)]