199339700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 496968192

約数和(自身を除く): 297628492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 223, 350, 446, 700, 892, 1115, 1277, 1561, 2230, 2554, 3122, 4460, 5108, 5575, 6244, 6385, 7805, 8939, 11150, 12770, 15610, 17878, 22300, 25540, 31220, 31925, 35756, 39025, 44695, 63850, 78050, 89390, 127700, 156100, 178780, 223475, 284771, 446950, 569542, 893900, 1139084, 1423855, 1993397, 2847710, 3986794, 5695420, 7119275, 7973588, 9966985, 14238550, 19933970, 28477100, 39867940, 49834925, 99669850, 199339700]

約数ペア:

[(1, 199339700), (2, 99669850), (4, 49834925), (5, 39867940), (7, 28477100), (10, 19933970), (14, 14238550), (20, 9966985), (25, 7973588), (28, 7119275), (35, 5695420), (50, 3986794), (70, 2847710), (100, 1993397), (140, 1423855), (175, 1139084), (223, 893900), (350, 569542), (446, 446950), (700, 284771), (892, 223475), (1115, 178780), (1277, 156100), (1561, 127700), (2230, 89390), (2554, 78050), (3122, 63850), (4460, 44695), (5108, 39025), (5575, 35756), (6244, 31925), (6385, 31220), (7805, 25540), (8939, 22300), (11150, 17878), (12770, 15610)]