1269133025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 1733222400

約数和(自身を除く): 464089375

約数列:

[1, 5, 19, 25, 31, 79, 95, 155, 395, 475, 589, 775, 1091, 1501, 1975, 2449, 2945, 5455, 7505, 12245, 14725, 20729, 27275, 33821, 37525, 46531, 61225, 86189, 103645, 169105, 232655, 430945, 518225, 642599, 845525, 1163275, 1637591, 2154725, 2671859, 3212995, 8187955, 13359295, 16064975, 40939775, 50765321, 66796475, 253826605, 1269133025]

約数ペア:

[(1, 1269133025), (5, 253826605), (19, 66796475), (25, 50765321), (31, 40939775), (79, 16064975), (95, 13359295), (155, 8187955), (395, 3212995), (475, 2671859), (589, 2154725), (775, 1637591), (1091, 1163275), (1501, 845525), (1975, 642599), (2449, 518225), (2945, 430945), (5455, 232655), (7505, 169105), (12245, 103645), (14725, 86189), (20729, 61225), (27275, 46531), (33821, 37525)]