172389210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{820901}}^1$

素因数の和:820918

約数の個数: 32

約数和(自身を含む): 472839552

約数和(自身を除く): 300450342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 820901, 1641802, 2462703, 4104505, 4925406, 5746307, 8209010, 11492614, 12313515, 17238921, 24627030, 28731535, 34477842, 57463070, 86194605, 172389210]

約数ペア:

[(1, 172389210), (2, 86194605), (3, 57463070), (5, 34477842), (6, 28731535), (7, 24627030), (10, 17238921), (14, 12313515), (15, 11492614), (21, 8209010), (30, 5746307), (35, 4925406), (42, 4104505), (70, 2462703), (105, 1641802), (210, 820901)]