394479400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{40253}}^1$

素因数の和:40283

約数の個数: 72

約数和(自身を含む): 1066932270

約数和(自身を除く): 672452870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 40253, 80506, 161012, 201265, 281771, 322024, 402530, 563542, 805060, 1006325, 1127084, 1408855, 1610120, 1972397, 2012650, 2254168, 2817710, 3944794, 4025300, 5635420, 7044275, 7889588, 8050600, 9861985, 11270840, 14088550, 15779176, 19723970, 28177100, 39447940, 49309925, 56354200, 78895880, 98619850, 197239700, 394479400]

約数ペア:

[(1, 394479400), (2, 197239700), (4, 98619850), (5, 78895880), (7, 56354200), (8, 49309925), (10, 39447940), (14, 28177100), (20, 19723970), (25, 15779176), (28, 14088550), (35, 11270840), (40, 9861985), (49, 8050600), (50, 7889588), (56, 7044275), (70, 5635420), (98, 4025300), (100, 3944794), (140, 2817710), (175, 2254168), (196, 2012650), (200, 1972397), (245, 1610120), (280, 1408855), (350, 1127084), (392, 1006325), (490, 805060), (700, 563542), (980, 402530), (1225, 322024), (1400, 281771), (1960, 201265), (2450, 161012), (4900, 80506), (9800, 40253)]