206891180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 448882560

約数和(自身を除く): 241991380

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 2473, 4183, 4946, 8366, 9892, 12365, 16732, 20915, 24730, 41830, 49460, 83660, 116231, 220097, 232462, 440194, 464924, 581155, 880388, 1100485, 1162310, 2200970, 2324620, 4401940, 10344559, 20689118, 41378236, 51722795, 103445590, 206891180]

約数ペア:

[(1, 206891180), (2, 103445590), (4, 51722795), (5, 41378236), (10, 20689118), (20, 10344559), (47, 4401940), (89, 2324620), (94, 2200970), (178, 1162310), (188, 1100485), (235, 880388), (356, 581155), (445, 464924), (470, 440194), (890, 232462), (940, 220097), (1780, 116231), (2473, 83660), (4183, 49460), (4946, 41830), (8366, 24730), (9892, 20915), (12365, 16732)]