291235880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15137}}^1$

素因数の和:15198

約数の個数: 64

約数和(自身を含む): 724807440

約数和(自身を除く): 433571560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 15137, 19240, 30274, 60548, 75685, 121096, 151370, 196781, 302740, 393562, 560069, 605480, 787124, 983905, 1120138, 1574248, 1967810, 2240276, 2800345, 3935620, 4480552, 5600690, 7280897, 7871240, 11201380, 14561794, 22402760, 29123588, 36404485, 58247176, 72808970, 145617940, 291235880]

約数ペア:

[(1, 291235880), (2, 145617940), (4, 72808970), (5, 58247176), (8, 36404485), (10, 29123588), (13, 22402760), (20, 14561794), (26, 11201380), (37, 7871240), (40, 7280897), (52, 5600690), (65, 4480552), (74, 3935620), (104, 2800345), (130, 2240276), (148, 1967810), (185, 1574248), (260, 1120138), (296, 983905), (370, 787124), (481, 605480), (520, 560069), (740, 393562), (962, 302740), (1480, 196781), (1924, 151370), (2405, 121096), (3848, 75685), (4810, 60548), (9620, 30274), (15137, 19240)]