639713030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8719}}^1$

素因数の和:8789

約数の個数: 64

約数和(自身を含む): 1356134400

約数和(自身を除く): 716421370

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 290, 319, 506, 638, 667, 1265, 1334, 1595, 2530, 3190, 3335, 6670, 7337, 8719, 14674, 17438, 36685, 43595, 73370, 87190, 95909, 191818, 200537, 252851, 401074, 479545, 505702, 959090, 1002685, 1264255, 2005370, 2205907, 2528510, 2781361, 4411814, 5562722, 5815573, 11029535, 11631146, 13906805, 22059070, 27813610, 29077865, 58155730, 63971303, 127942606, 319856515, 639713030]

約数ペア:

[(1, 639713030), (2, 319856515), (5, 127942606), (10, 63971303), (11, 58155730), (22, 29077865), (23, 27813610), (29, 22059070), (46, 13906805), (55, 11631146), (58, 11029535), (110, 5815573), (115, 5562722), (145, 4411814), (230, 2781361), (253, 2528510), (290, 2205907), (319, 2005370), (506, 1264255), (638, 1002685), (667, 959090), (1265, 505702), (1334, 479545), (1595, 401074), (2530, 252851), (3190, 200537), (3335, 191818), (6670, 95909), (7337, 87190), (8719, 73370), (14674, 43595), (17438, 36685)]