9707987900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{240893}}^1$

素因数の和:240951

約数の個数: 72

約数和(自身を含む): 23418751104

約数和(自身を除く): 13710763204

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 10075, 20150, 40300, 240893, 481786, 963572, 1204465, 2408930, 3131609, 4817860, 6022325, 6263218, 7467683, 12044650, 12526436, 14935366, 15658045, 24089300, 29870732, 31316090, 37338415, 62632180, 74676830, 78290225, 97079879, 149353660, 156580450, 186692075, 194159758, 313160900, 373384150, 388319516, 485399395, 746768300, 970798790, 1941597580, 2426996975, 4853993950, 9707987900]

約数ペア:

[(1, 9707987900), (2, 4853993950), (4, 2426996975), (5, 1941597580), (10, 970798790), (13, 746768300), (20, 485399395), (25, 388319516), (26, 373384150), (31, 313160900), (50, 194159758), (52, 186692075), (62, 156580450), (65, 149353660), (100, 97079879), (124, 78290225), (130, 74676830), (155, 62632180), (260, 37338415), (310, 31316090), (325, 29870732), (403, 24089300), (620, 15658045), (650, 14935366), (775, 12526436), (806, 12044650), (1300, 7467683), (1550, 6263218), (1612, 6022325), (2015, 4817860), (3100, 3131609), (4030, 2408930), (8060, 1204465), (10075, 963572), (20150, 481786), (40300, 240893)]