27965437580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{26731}}^1$

素因数の和:26955

約数の個数: 72

約数和(自身を含む): 62732198256

約数和(自身を除く): 34766760676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 289, 340, 362, 578, 724, 905, 1156, 1445, 1810, 2890, 3077, 3620, 5780, 6154, 12308, 15385, 26731, 30770, 52309, 53462, 61540, 104618, 106924, 133655, 209236, 261545, 267310, 454427, 523090, 534620, 908854, 1046180, 1817708, 2272135, 4544270, 4838311, 7725259, 9088540, 9676622, 15450518, 19353244, 24191555, 30901036, 38626295, 48383110, 77252590, 82251287, 96766220, 154505180, 164502574, 329005148, 411256435, 822512870, 1398271879, 1645025740, 2796543758, 5593087516, 6991359395, 13982718790, 27965437580]

約数ペア:

[(1, 27965437580), (2, 13982718790), (4, 6991359395), (5, 5593087516), (10, 2796543758), (17, 1645025740), (20, 1398271879), (34, 822512870), (68, 411256435), (85, 329005148), (170, 164502574), (181, 154505180), (289, 96766220), (340, 82251287), (362, 77252590), (578, 48383110), (724, 38626295), (905, 30901036), (1156, 24191555), (1445, 19353244), (1810, 15450518), (2890, 9676622), (3077, 9088540), (3620, 7725259), (5780, 4838311), (6154, 4544270), (12308, 2272135), (15385, 1817708), (26731, 1046180), (30770, 908854), (52309, 534620), (53462, 523090), (61540, 454427), (104618, 267310), (106924, 261545), (133655, 209236)]