394329920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 112

約数和(自身を含む): 980041728

約数和(自身を除く): 585711808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 310, 313, 320, 496, 508, 620, 626, 635, 992, 1016, 1240, 1252, 1270, 1565, 1984, 2032, 2480, 2504, 2540, 3130, 3937, 4064, 4960, 5008, 5080, 6260, 7874, 8128, 9703, 9920, 10016, 10160, 12520, 15748, 19406, 19685, 20032, 20320, 25040, 31496, 38812, 39370, 39751, 40640, 48515, 50080, 62992, 77624, 78740, 79502, 97030, 100160, 125984, 155248, 157480, 159004, 194060, 198755, 251968, 310496, 314960, 318008, 388120, 397510, 620992, 629920, 636016, 776240, 795020, 1232281, 1259840, 1272032, 1552480, 1590040, 2464562, 2544064, 3104960, 3180080, 4929124, 6161405, 6360160, 9858248, 12322810, 12720320, 19716496, 24645620, 39432992, 49291240, 78865984, 98582480, 197164960, 394329920]

約数ペア:

[(1, 394329920), (2, 197164960), (4, 98582480), (5, 78865984), (8, 49291240), (10, 39432992), (16, 24645620), (20, 19716496), (31, 12720320), (32, 12322810), (40, 9858248), (62, 6360160), (64, 6161405), (80, 4929124), (124, 3180080), (127, 3104960), (155, 2544064), (160, 2464562), (248, 1590040), (254, 1552480), (310, 1272032), (313, 1259840), (320, 1232281), (496, 795020), (508, 776240), (620, 636016), (626, 629920), (635, 620992), (992, 397510), (1016, 388120), (1240, 318008), (1252, 314960), (1270, 310496), (1565, 251968), (1984, 198755), (2032, 194060), (2480, 159004), (2504, 157480), (2540, 155248), (3130, 125984), (3937, 100160), (4064, 97030), (4960, 79502), (5008, 78740), (5080, 77624), (6260, 62992), (7874, 50080), (8128, 48515), (9703, 40640), (9920, 39751), (10016, 39370), (10160, 38812), (12520, 31496), (15748, 25040), (19406, 20320), (19685, 20032)]