157216220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1409}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 378060480

約数和(自身を除く): 220844260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 797, 1409, 1594, 2818, 3188, 3985, 5579, 5636, 7045, 7970, 9863, 11158, 14090, 15940, 19726, 22316, 27895, 28180, 39452, 49315, 55790, 98630, 111580, 197260, 1122973, 2245946, 4491892, 5614865, 7860811, 11229730, 15721622, 22459460, 31443244, 39304055, 78608110, 157216220]

約数ペア:

[(1, 157216220), (2, 78608110), (4, 39304055), (5, 31443244), (7, 22459460), (10, 15721622), (14, 11229730), (20, 7860811), (28, 5614865), (35, 4491892), (70, 2245946), (140, 1122973), (797, 197260), (1409, 111580), (1594, 98630), (2818, 55790), (3188, 49315), (3985, 39452), (5579, 28180), (5636, 27895), (7045, 22316), (7970, 19726), (9863, 15940), (11158, 14090)]