19874100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 59385088

約数和(自身を除く): 39510988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2137, 2325, 3100, 4274, 4650, 6411, 8548, 9300, 10685, 12822, 21370, 25644, 32055, 42740, 53425, 64110, 66247, 106850, 128220, 132494, 160275, 198741, 213700, 264988, 320550, 331235, 397482, 641100, 662470, 794964, 993705, 1324940, 1656175, 1987410, 3312350, 3974820, 4968525, 6624700, 9937050, 19874100]

約数ペア:

[(1, 19874100), (2, 9937050), (3, 6624700), (4, 4968525), (5, 3974820), (6, 3312350), (10, 1987410), (12, 1656175), (15, 1324940), (20, 993705), (25, 794964), (30, 662470), (31, 641100), (50, 397482), (60, 331235), (62, 320550), (75, 264988), (93, 213700), (100, 198741), (124, 160275), (150, 132494), (155, 128220), (186, 106850), (300, 66247), (310, 64110), (372, 53425), (465, 42740), (620, 32055), (775, 25644), (930, 21370), (1550, 12822), (1860, 10685), (2137, 9300), (2325, 8548), (3100, 6411), (4274, 4650)]