172310360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70619}}^1$

素因数の和:70691

約数の個数: 32

約数和(自身を含む): 394059600

約数和(自身を除く): 221749240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 70619, 141238, 282476, 353095, 564952, 706190, 1412380, 2824760, 4307759, 8615518, 17231036, 21538795, 34462072, 43077590, 86155180, 172310360]

約数ペア:

[(1, 172310360), (2, 86155180), (4, 43077590), (5, 34462072), (8, 21538795), (10, 17231036), (20, 8615518), (40, 4307759), (61, 2824760), (122, 1412380), (244, 706190), (305, 564952), (488, 353095), (610, 282476), (1220, 141238), (2440, 70619)]