1996201620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{10091}}^1$

素因数の和:10270

約数の個数: 144

約数和(自身を含む): 6964933248

約数和(自身を除く): 4968731628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1260, 1413, 1570, 1884, 2198, 2355, 2826, 3140, 3297, 4396, 4710, 5495, 5652, 6594, 7065, 9420, 9891, 10091, 10990, 13188, 14130, 16485, 19782, 20182, 21980, 28260, 30273, 32970, 39564, 40364, 49455, 50455, 60546, 65940, 70637, 90819, 98910, 100910, 121092, 141274, 151365, 181638, 197820, 201820, 211911, 282548, 302730, 353185, 363276, 423822, 454095, 605460, 635733, 706370, 847644, 908190, 1059555, 1271466, 1412740, 1584287, 1816380, 2119110, 2542932, 3168574, 3178665, 4238220, 4752861, 6337148, 6357330, 7921435, 9505722, 11090009, 12714660, 14258583, 15842870, 19011444, 22180018, 23764305, 28517166, 31685740, 33270027, 44360036, 47528610, 55450045, 57034332, 66540054, 71292915, 95057220, 99810081, 110900090, 133080108, 142585830, 166350135, 199620162, 221800180, 285171660, 332700270, 399240324, 499050405, 665400540, 998100810, 1996201620]

約数ペア:

[(1, 1996201620), (2, 998100810), (3, 665400540), (4, 499050405), (5, 399240324), (6, 332700270), (7, 285171660), (9, 221800180), (10, 199620162), (12, 166350135), (14, 142585830), (15, 133080108), (18, 110900090), (20, 99810081), (21, 95057220), (28, 71292915), (30, 66540054), (35, 57034332), (36, 55450045), (42, 47528610), (45, 44360036), (60, 33270027), (63, 31685740), (70, 28517166), (84, 23764305), (90, 22180018), (105, 19011444), (126, 15842870), (140, 14258583), (157, 12714660), (180, 11090009), (210, 9505722), (252, 7921435), (314, 6357330), (315, 6337148), (420, 4752861), (471, 4238220), (628, 3178665), (630, 3168574), (785, 2542932), (942, 2119110), (1099, 1816380), (1260, 1584287), (1413, 1412740), (1570, 1271466), (1884, 1059555), (2198, 908190), (2355, 847644), (2826, 706370), (3140, 635733), (3297, 605460), (4396, 454095), (4710, 423822), (5495, 363276), (5652, 353185), (6594, 302730), (7065, 282548), (9420, 211911), (9891, 201820), (10091, 197820), (10990, 181638), (13188, 151365), (14130, 141274), (16485, 121092), (19782, 100910), (20182, 98910), (21980, 90819), (28260, 70637), (30273, 65940), (32970, 60546), (39564, 50455), (40364, 49455)]