490639100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5519}}^1$

素因数の和:5667

約数の個数: 72

約数和(自身を含む): 1226588160

約数和(自身を除く): 735949060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 508, 635, 700, 889, 1270, 1778, 2540, 3175, 3556, 4445, 5519, 6350, 8890, 11038, 12700, 17780, 22076, 22225, 27595, 38633, 44450, 55190, 77266, 88900, 110380, 137975, 154532, 193165, 275950, 386330, 551900, 700913, 772660, 965825, 1401826, 1931650, 2803652, 3504565, 3863300, 4906391, 7009130, 9812782, 14018260, 17522825, 19625564, 24531955, 35045650, 49063910, 70091300, 98127820, 122659775, 245319550, 490639100]

約数ペア:

[(1, 490639100), (2, 245319550), (4, 122659775), (5, 98127820), (7, 70091300), (10, 49063910), (14, 35045650), (20, 24531955), (25, 19625564), (28, 17522825), (35, 14018260), (50, 9812782), (70, 7009130), (100, 4906391), (127, 3863300), (140, 3504565), (175, 2803652), (254, 1931650), (350, 1401826), (508, 965825), (635, 772660), (700, 700913), (889, 551900), (1270, 386330), (1778, 275950), (2540, 193165), (3175, 154532), (3556, 137975), (4445, 110380), (5519, 88900), (6350, 77266), (8890, 55190), (11038, 44450), (12700, 38633), (17780, 27595), (22076, 22225)]