128119775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 191654400

約数和(自身を除く): 63534625

約数列:

[1, 5, 7, 23, 25, 35, 115, 139, 161, 175, 229, 575, 695, 805, 973, 1145, 1603, 3197, 3475, 4025, 4865, 5267, 5725, 8015, 15985, 22379, 24325, 26335, 31831, 36869, 40075, 79925, 111895, 131675, 159155, 184345, 222817, 559475, 732113, 795775, 921725, 1114085, 3660565, 5124791, 5570425, 18302825, 25623955, 128119775]

約数ペア:

[(1, 128119775), (5, 25623955), (7, 18302825), (23, 5570425), (25, 5124791), (35, 3660565), (115, 1114085), (139, 921725), (161, 795775), (175, 732113), (229, 559475), (575, 222817), (695, 184345), (805, 159155), (973, 131675), (1145, 111895), (1603, 79925), (3197, 40075), (3475, 36869), (4025, 31831), (4865, 26335), (5267, 24325), (5725, 22379), (8015, 15985)]