398836367680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{316577}}^1$

素因数の和:316752

約数の個数: 112

約数和(自身を含む): 988088057856

約数和(自身を除く): 589251690176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 310, 320, 496, 508, 620, 635, 992, 1016, 1240, 1270, 1984, 2032, 2480, 2540, 3937, 4064, 4960, 5080, 7874, 8128, 9920, 10160, 15748, 19685, 20320, 31496, 39370, 40640, 62992, 78740, 125984, 157480, 251968, 314960, 316577, 629920, 633154, 1259840, 1266308, 1582885, 2532616, 3165770, 5065232, 6331540, 9813887, 10130464, 12663080, 19627774, 20260928, 25326160, 39255548, 40205279, 49069435, 50652320, 78511096, 80410558, 98138870, 101304640, 157022192, 160821116, 196277740, 201026395, 314044384, 321642232, 392555480, 402052790, 628088768, 643284464, 785110960, 804105580, 1246363649, 1286568928, 1570221920, 1608211160, 2492727298, 2573137856, 3140443840, 3216422320, 4985454596, 6231818245, 6432844640, 9970909192, 12463636490, 12865689280, 19941818384, 24927272980, 39883636768, 49854545960, 79767273536, 99709091920, 199418183840, 398836367680]

約数ペア:

[(1, 398836367680), (2, 199418183840), (4, 99709091920), (5, 79767273536), (8, 49854545960), (10, 39883636768), (16, 24927272980), (20, 19941818384), (31, 12865689280), (32, 12463636490), (40, 9970909192), (62, 6432844640), (64, 6231818245), (80, 4985454596), (124, 3216422320), (127, 3140443840), (155, 2573137856), (160, 2492727298), (248, 1608211160), (254, 1570221920), (310, 1286568928), (320, 1246363649), (496, 804105580), (508, 785110960), (620, 643284464), (635, 628088768), (992, 402052790), (1016, 392555480), (1240, 321642232), (1270, 314044384), (1984, 201026395), (2032, 196277740), (2480, 160821116), (2540, 157022192), (3937, 101304640), (4064, 98138870), (4960, 80410558), (5080, 78511096), (7874, 50652320), (8128, 49069435), (9920, 40205279), (10160, 39255548), (15748, 25326160), (19685, 20260928), (20320, 19627774), (31496, 12663080), (39370, 10130464), (40640, 9813887), (62992, 6331540), (78740, 5065232), (125984, 3165770), (157480, 2532616), (251968, 1582885), (314960, 1266308), (316577, 1259840), (629920, 633154)]