228836140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 527567040

約数和(自身を除く): 298730900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 316, 338, 395, 676, 790, 845, 857, 1027, 1580, 1690, 1714, 2054, 3380, 3428, 4108, 4285, 5135, 8570, 10270, 11141, 13351, 17140, 20540, 22282, 26702, 44564, 53404, 55705, 66755, 67703, 111410, 133510, 135406, 144833, 222820, 267020, 270812, 289666, 338515, 579332, 677030, 724165, 880139, 1354060, 1448330, 1760278, 2896660, 3520556, 4400695, 8801390, 11441807, 17602780, 22883614, 45767228, 57209035, 114418070, 228836140]

約数ペア:

[(1, 228836140), (2, 114418070), (4, 57209035), (5, 45767228), (10, 22883614), (13, 17602780), (20, 11441807), (26, 8801390), (52, 4400695), (65, 3520556), (79, 2896660), (130, 1760278), (158, 1448330), (169, 1354060), (260, 880139), (316, 724165), (338, 677030), (395, 579332), (676, 338515), (790, 289666), (845, 270812), (857, 267020), (1027, 222820), (1580, 144833), (1690, 135406), (1714, 133510), (2054, 111410), (3380, 67703), (3428, 66755), (4108, 55705), (4285, 53404), (5135, 44564), (8570, 26702), (10270, 22282), (11141, 20540), (13351, 17140)]