390960560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1158

約数の個数: 80

約数和(自身を含む): 966232800

約数和(自身を除く): 575272240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 389, 680, 739, 778, 1360, 1478, 1556, 1945, 2956, 3112, 3695, 3890, 5912, 6224, 6613, 7390, 7780, 11824, 12563, 13226, 14780, 15560, 25126, 26452, 29560, 31120, 33065, 50252, 52904, 59120, 62815, 66130, 100504, 105808, 125630, 132260, 201008, 251260, 264520, 287471, 502520, 529040, 574942, 1005040, 1149884, 1437355, 2299768, 2874710, 4599536, 4887007, 5749420, 9774014, 11498840, 19548028, 22997680, 24435035, 39096056, 48870070, 78192112, 97740140, 195480280, 390960560]

約数ペア:

[(1, 390960560), (2, 195480280), (4, 97740140), (5, 78192112), (8, 48870070), (10, 39096056), (16, 24435035), (17, 22997680), (20, 19548028), (34, 11498840), (40, 9774014), (68, 5749420), (80, 4887007), (85, 4599536), (136, 2874710), (170, 2299768), (272, 1437355), (340, 1149884), (389, 1005040), (680, 574942), (739, 529040), (778, 502520), (1360, 287471), (1478, 264520), (1556, 251260), (1945, 201008), (2956, 132260), (3112, 125630), (3695, 105808), (3890, 100504), (5912, 66130), (6224, 62815), (6613, 59120), (7390, 52904), (7780, 50252), (11824, 33065), (12563, 31120), (13226, 29560), (14780, 26452), (15560, 25126)]