108745980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{258919}}^1$

素因数の和:258938

約数の個数: 48

約数和(自身を含む): 347988480

約数和(自身を除く): 239242500

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, 210, 420, 258919, 517838, 776757, 1035676, 1294595, 1553514, 1812433, 2589190, 3107028, 3624866, 3883785, 5178380, 5437299, 7249732, 7767570, 9062165, 10874598, 15535140, 18124330, 21749196, 27186495, 36248660, 54372990, 108745980]

約数ペア:

[(1, 108745980), (2, 54372990), (3, 36248660), (4, 27186495), (5, 21749196), (6, 18124330), (7, 15535140), (10, 10874598), (12, 9062165), (14, 7767570), (15, 7249732), (20, 5437299), (21, 5178380), (28, 3883785), (30, 3624866), (35, 3107028), (42, 2589190), (60, 1812433), (70, 1553514), (84, 1294595), (105, 1035676), (140, 776757), (210, 517838), (420, 258919)]