30903730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21642

約数の個数: 32

約数和(自身を含む): 65354688

約数和(自身を除く): 34450958

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21611, 43222, 108055, 216110, 237721, 280943, 475442, 561886, 1188605, 1404715, 2377210, 2809430, 3090373, 6180746, 15451865, 30903730]

約数ペア:

[(1, 30903730), (2, 15451865), (5, 6180746), (10, 3090373), (11, 2809430), (13, 2377210), (22, 1404715), (26, 1188605), (55, 561886), (65, 475442), (110, 280943), (130, 237721), (143, 216110), (286, 108055), (715, 43222), (1430, 21611)]