391048120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7247}}^1$

素因数の和:7348

約数の個数: 64

約数和(自身を含む): 939340800

約数和(自身を除く): 548292680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 7247, 10792, 13490, 14494, 26980, 28988, 36235, 53960, 57976, 72470, 137693, 144940, 275386, 289880, 514537, 550772, 688465, 1029074, 1101544, 1376930, 2058148, 2572685, 2753860, 4116296, 5145370, 5507720, 9776203, 10290740, 19552406, 20581480, 39104812, 48881015, 78209624, 97762030, 195524060, 391048120]

約数ペア:

[(1, 391048120), (2, 195524060), (4, 97762030), (5, 78209624), (8, 48881015), (10, 39104812), (19, 20581480), (20, 19552406), (38, 10290740), (40, 9776203), (71, 5507720), (76, 5145370), (95, 4116296), (142, 2753860), (152, 2572685), (190, 2058148), (284, 1376930), (355, 1101544), (380, 1029074), (568, 688465), (710, 550772), (760, 514537), (1349, 289880), (1420, 275386), (2698, 144940), (2840, 137693), (5396, 72470), (6745, 57976), (7247, 53960), (10792, 36235), (13490, 28988), (14494, 26980)]