254401345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 372252672

約数和(自身を除く): 117851327

約数列:

[1, 5, 11, 17, 31, 55, 67, 85, 131, 155, 187, 335, 341, 527, 655, 737, 935, 1139, 1441, 1705, 2077, 2227, 2635, 3685, 4061, 5695, 5797, 7205, 8777, 10385, 11135, 12529, 20305, 22847, 24497, 28985, 35309, 43885, 44671, 62645, 69037, 96547, 114235, 122485, 149209, 176545, 223355, 272087, 345185, 388399, 482735, 746045, 759407, 1360435, 1641299, 1941995, 2992957, 3797035, 4625479, 8206495, 14964785, 23127395, 50880269, 254401345]

約数ペア:

[(1, 254401345), (5, 50880269), (11, 23127395), (17, 14964785), (31, 8206495), (55, 4625479), (67, 3797035), (85, 2992957), (131, 1941995), (155, 1641299), (187, 1360435), (335, 759407), (341, 746045), (527, 482735), (655, 388399), (737, 345185), (935, 272087), (1139, 223355), (1441, 176545), (1705, 149209), (2077, 122485), (2227, 114235), (2635, 96547), (3685, 69037), (4061, 62645), (5695, 44671), (5797, 43885), (7205, 35309), (8777, 28985), (10385, 24497), (11135, 22847), (12529, 20305)]