29257720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 70048800

約数和(自身を除く): 40791080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 281, 380, 548, 562, 685, 760, 1096, 1124, 1370, 1405, 2248, 2603, 2740, 2810, 5206, 5339, 5480, 5620, 10412, 10678, 11240, 13015, 20824, 21356, 26030, 26695, 38497, 42712, 52060, 53390, 76994, 104120, 106780, 153988, 192485, 213560, 307976, 384970, 731443, 769940, 1462886, 1539880, 2925772, 3657215, 5851544, 7314430, 14628860, 29257720]

約数ペア:

[(1, 29257720), (2, 14628860), (4, 7314430), (5, 5851544), (8, 3657215), (10, 2925772), (19, 1539880), (20, 1462886), (38, 769940), (40, 731443), (76, 384970), (95, 307976), (137, 213560), (152, 192485), (190, 153988), (274, 106780), (281, 104120), (380, 76994), (548, 53390), (562, 52060), (685, 42712), (760, 38497), (1096, 26695), (1124, 26030), (1370, 21356), (1405, 20824), (2248, 13015), (2603, 11240), (2740, 10678), (2810, 10412), (5206, 5620), (5339, 5480)]