201005980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23537}}^1$

素因数の和:23614

約数の個数: 48

約数和(自身を含む): 490343616

約数和(自身を除く): 289337636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 23537, 47074, 94148, 117685, 164759, 235370, 329518, 470740, 659036, 823795, 1435757, 1647590, 2871514, 3295180, 5743028, 7178785, 10050299, 14357570, 20100598, 28715140, 40201196, 50251495, 100502990, 201005980]

約数ペア:

[(1, 201005980), (2, 100502990), (4, 50251495), (5, 40201196), (7, 28715140), (10, 20100598), (14, 14357570), (20, 10050299), (28, 7178785), (35, 5743028), (61, 3295180), (70, 2871514), (122, 1647590), (140, 1435757), (244, 823795), (305, 659036), (427, 470740), (610, 329518), (854, 235370), (1220, 164759), (1708, 117685), (2135, 94148), (4270, 47074), (8540, 23537)]