830702920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{2819}}^1$

素因数の和:3022

約数の個数: 64

約数和(自身を含む): 1918728000

約数和(自身を除く): 1088025080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 139, 212, 265, 278, 424, 530, 556, 695, 1060, 1112, 1390, 2120, 2780, 2819, 5560, 5638, 7367, 11276, 14095, 14734, 22552, 28190, 29468, 36835, 56380, 58936, 73670, 112760, 147340, 149407, 294680, 298814, 391841, 597628, 747035, 783682, 1195256, 1494070, 1567364, 1959205, 2988140, 3134728, 3918410, 5976280, 7836820, 15673640, 20767573, 41535146, 83070292, 103837865, 166140584, 207675730, 415351460, 830702920]

約数ペア:

[(1, 830702920), (2, 415351460), (4, 207675730), (5, 166140584), (8, 103837865), (10, 83070292), (20, 41535146), (40, 20767573), (53, 15673640), (106, 7836820), (139, 5976280), (212, 3918410), (265, 3134728), (278, 2988140), (424, 1959205), (530, 1567364), (556, 1494070), (695, 1195256), (1060, 783682), (1112, 747035), (1390, 597628), (2120, 391841), (2780, 298814), (2819, 294680), (5560, 149407), (5638, 147340), (7367, 112760), (11276, 73670), (14095, 58936), (14734, 56380), (22552, 36835), (28190, 29468)]