1994217660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:828

約数の個数: 144

約数和(自身を含む): 6152721120

約数和(自身を除く): 4158503460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 281, 356, 443, 445, 534, 562, 801, 843, 886, 890, 1068, 1124, 1329, 1335, 1405, 1602, 1686, 1772, 1780, 2215, 2529, 2658, 2670, 2810, 3204, 3372, 3987, 4005, 4215, 4430, 5058, 5316, 5340, 5620, 6645, 7974, 8010, 8430, 8860, 10116, 12645, 13290, 15948, 16020, 16860, 19935, 25009, 25290, 26580, 39427, 39870, 50018, 50580, 75027, 78854, 79740, 100036, 118281, 124483, 125045, 150054, 157708, 197135, 225081, 236562, 248966, 250090, 300108, 354843, 373449, 375135, 394270, 450162, 473124, 497932, 500180, 591405, 622415, 709686, 746898, 750270, 788540, 900324, 1120347, 1125405, 1182810, 1244830, 1419372, 1493796, 1500540, 1774215, 1867245, 2240694, 2250810, 2365620, 2489660, 3548430, 3734490, 4481388, 4501620, 5601735, 7096860, 7468980, 11078987, 11203470, 22157974, 22406940, 33236961, 44315948, 55394935, 66473922, 99710883, 110789870, 132947844, 166184805, 199421766, 221579740, 332369610, 398843532, 498554415, 664739220, 997108830, 1994217660]

約数ペア:

[(1, 1994217660), (2, 997108830), (3, 664739220), (4, 498554415), (5, 398843532), (6, 332369610), (9, 221579740), (10, 199421766), (12, 166184805), (15, 132947844), (18, 110789870), (20, 99710883), (30, 66473922), (36, 55394935), (45, 44315948), (60, 33236961), (89, 22406940), (90, 22157974), (178, 11203470), (180, 11078987), (267, 7468980), (281, 7096860), (356, 5601735), (443, 4501620), (445, 4481388), (534, 3734490), (562, 3548430), (801, 2489660), (843, 2365620), (886, 2250810), (890, 2240694), (1068, 1867245), (1124, 1774215), (1329, 1500540), (1335, 1493796), (1405, 1419372), (1602, 1244830), (1686, 1182810), (1772, 1125405), (1780, 1120347), (2215, 900324), (2529, 788540), (2658, 750270), (2670, 746898), (2810, 709686), (3204, 622415), (3372, 591405), (3987, 500180), (4005, 497932), (4215, 473124), (4430, 450162), (5058, 394270), (5316, 375135), (5340, 373449), (5620, 354843), (6645, 300108), (7974, 250090), (8010, 248966), (8430, 236562), (8860, 225081), (10116, 197135), (12645, 157708), (13290, 150054), (15948, 125045), (16020, 124483), (16860, 118281), (19935, 100036), (25009, 79740), (25290, 78854), (26580, 75027), (39427, 50580), (39870, 50018)]