19799700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 59162880

約数和(自身を除く): 39363180

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, 2129, 2325, 3100, 4258, 4650, 6387, 8516, 9300, 10645, 12774, 21290, 25548, 31935, 42580, 53225, 63870, 65999, 106450, 127740, 131998, 159675, 197997, 212900, 263996, 319350, 329995, 395994, 638700, 659990, 791988, 989985, 1319980, 1649975, 1979970, 3299950, 3959940, 4949925, 6599900, 9899850, 19799700]

約数ペア:

[(1, 19799700), (2, 9899850), (3, 6599900), (4, 4949925), (5, 3959940), (6, 3299950), (10, 1979970), (12, 1649975), (15, 1319980), (20, 989985), (25, 791988), (30, 659990), (31, 638700), (50, 395994), (60, 329995), (62, 319350), (75, 263996), (93, 212900), (100, 197997), (124, 159675), (150, 131998), (155, 127740), (186, 106450), (300, 65999), (310, 63870), (372, 53225), (465, 42580), (620, 31935), (775, 25548), (930, 21290), (1550, 12774), (1860, 10645), (2129, 9300), (2325, 8516), (3100, 6387), (4258, 4650)]