209293980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2819

約数の個数: 96

約数和(自身を含む): 673505280

約数和(自身を除く): 464211300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2609, 2674, 2865, 3820, 4011, 5218, 5348, 5730, 6685, 7827, 8022, 10436, 11460, 13045, 13370, 15654, 16044, 18263, 20055, 26090, 26740, 31308, 36526, 39135, 40110, 52180, 54789, 73052, 78270, 80220, 91315, 109578, 156540, 182630, 219156, 273945, 365260, 498319, 547890, 996638, 1095780, 1494957, 1993276, 2491595, 2989914, 3488233, 4983190, 5979828, 6976466, 7474785, 9966380, 10464699, 13952932, 14949570, 17441165, 20929398, 29899140, 34882330, 41858796, 52323495, 69764660, 104646990, 209293980]

約数ペア:

[(1, 209293980), (2, 104646990), (3, 69764660), (4, 52323495), (5, 41858796), (6, 34882330), (7, 29899140), (10, 20929398), (12, 17441165), (14, 14949570), (15, 13952932), (20, 10464699), (21, 9966380), (28, 7474785), (30, 6976466), (35, 5979828), (42, 4983190), (60, 3488233), (70, 2989914), (84, 2491595), (105, 1993276), (140, 1494957), (191, 1095780), (210, 996638), (382, 547890), (420, 498319), (573, 365260), (764, 273945), (955, 219156), (1146, 182630), (1337, 156540), (1910, 109578), (2292, 91315), (2609, 80220), (2674, 78270), (2865, 73052), (3820, 54789), (4011, 52180), (5218, 40110), (5348, 39135), (5730, 36526), (6685, 31308), (7827, 26740), (8022, 26090), (10436, 20055), (11460, 18263), (13045, 16044), (13370, 15654)]