4206125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 64

約数和(自身を含む): 7188480

約数和(自身を除く): 2982355

約数列:

[1, 5, 7, 11, 19, 23, 25, 35, 55, 77, 95, 115, 125, 133, 161, 175, 209, 253, 275, 385, 437, 475, 575, 665, 805, 875, 1045, 1265, 1375, 1463, 1771, 1925, 2185, 2375, 2875, 3059, 3325, 4025, 4807, 5225, 6325, 7315, 8855, 9625, 10925, 15295, 16625, 20125, 24035, 26125, 31625, 33649, 36575, 44275, 54625, 76475, 120175, 168245, 182875, 221375, 382375, 600875, 841225, 4206125]

約数ペア:

[(1, 4206125), (5, 841225), (7, 600875), (11, 382375), (19, 221375), (23, 182875), (25, 168245), (35, 120175), (55, 76475), (77, 54625), (95, 44275), (115, 36575), (125, 33649), (133, 31625), (161, 26125), (175, 24035), (209, 20125), (253, 16625), (275, 15295), (385, 10925), (437, 9625), (475, 8855), (575, 7315), (665, 6325), (805, 5225), (875, 4807), (1045, 4025), (1265, 3325), (1375, 3059), (1463, 2875), (1771, 2375), (1925, 2185)]