389702960

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{12853}}^1$

素因数の和:13245

約数の個数: 40

約数和(自身を含む): 908520720

約数和(自身を除く): 518817760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12853, 15160, 25706, 30320, 51412, 64265, 102824, 128530, 205648, 257060, 514120, 1028240, 4871287, 9742574, 19485148, 24356435, 38970296, 48712870, 77940592, 97425740, 194851480, 389702960]

約数ペア:

[(1, 389702960), (2, 194851480), (4, 97425740), (5, 77940592), (8, 48712870), (10, 38970296), (16, 24356435), (20, 19485148), (40, 9742574), (80, 4871287), (379, 1028240), (758, 514120), (1516, 257060), (1895, 205648), (3032, 128530), (3790, 102824), (6064, 64265), (7580, 51412), (12853, 30320), (15160, 25706)]