28937220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 96

約数和(自身を含む): 91107072

約数和(自身を除く): 62169852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1613, 1794, 2990, 3226, 3588, 4485, 4839, 5980, 6452, 8065, 8970, 9678, 16130, 17940, 19356, 20969, 24195, 32260, 37099, 41938, 48390, 62907, 74198, 83876, 96780, 104845, 111297, 125814, 148396, 185495, 209690, 222594, 251628, 314535, 370990, 419380, 445188, 482287, 556485, 629070, 741980, 964574, 1112970, 1258140, 1446861, 1929148, 2225940, 2411435, 2893722, 4822870, 5787444, 7234305, 9645740, 14468610, 28937220]

約数ペア:

[(1, 28937220), (2, 14468610), (3, 9645740), (4, 7234305), (5, 5787444), (6, 4822870), (10, 2893722), (12, 2411435), (13, 2225940), (15, 1929148), (20, 1446861), (23, 1258140), (26, 1112970), (30, 964574), (39, 741980), (46, 629070), (52, 556485), (60, 482287), (65, 445188), (69, 419380), (78, 370990), (92, 314535), (115, 251628), (130, 222594), (138, 209690), (156, 185495), (195, 148396), (230, 125814), (260, 111297), (276, 104845), (299, 96780), (345, 83876), (390, 74198), (460, 62907), (598, 48390), (690, 41938), (780, 37099), (897, 32260), (1196, 24195), (1380, 20969), (1495, 19356), (1613, 17940), (1794, 16130), (2990, 9678), (3226, 8970), (3588, 8065), (4485, 6452), (4839, 5980)]