405500480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2351}}^1$

素因数の和:2393

約数の個数: 168

約数和(自身を含む): 1225881216

約数和(自身を除く): 820380736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2240, 2351, 2464, 2695, 3080, 3136, 3520, 3920, 4312, 4702, 4928, 5390, 6160, 7840, 8624, 9404, 10780, 11755, 12320, 15680, 16457, 17248, 18808, 21560, 23510, 24640, 25861, 32914, 34496, 37616, 43120, 47020, 51722, 65828, 75232, 82285, 86240, 94040, 103444, 115199, 129305, 131656, 150464, 164570, 172480, 181027, 188080, 206888, 230398, 258610, 263312, 329140, 362054, 376160, 413776, 460796, 517220, 526624, 575995, 658280, 724108, 752320, 827552, 905135, 921592, 1034440, 1053248, 1151990, 1267189, 1316560, 1448216, 1655104, 1810270, 1843184, 2068880, 2303980, 2534378, 2633120, 2896432, 3620540, 3686368, 4137760, 4607960, 5068756, 5266240, 5792864, 6335945, 7241080, 7372736, 8275520, 9215920, 10137512, 11585728, 12671890, 14482160, 18431840, 20275024, 25343780, 28964320, 36863680, 40550048, 50687560, 57928640, 81100096, 101375120, 202750240, 405500480]

約数ペア:

[(1, 405500480), (2, 202750240), (4, 101375120), (5, 81100096), (7, 57928640), (8, 50687560), (10, 40550048), (11, 36863680), (14, 28964320), (16, 25343780), (20, 20275024), (22, 18431840), (28, 14482160), (32, 12671890), (35, 11585728), (40, 10137512), (44, 9215920), (49, 8275520), (55, 7372736), (56, 7241080), (64, 6335945), (70, 5792864), (77, 5266240), (80, 5068756), (88, 4607960), (98, 4137760), (110, 3686368), (112, 3620540), (140, 2896432), (154, 2633120), (160, 2534378), (176, 2303980), (196, 2068880), (220, 1843184), (224, 1810270), (245, 1655104), (280, 1448216), (308, 1316560), (320, 1267189), (352, 1151990), (385, 1053248), (392, 1034440), (440, 921592), (448, 905135), (490, 827552), (539, 752320), (560, 724108), (616, 658280), (704, 575995), (770, 526624), (784, 517220), (880, 460796), (980, 413776), (1078, 376160), (1120, 362054), (1232, 329140), (1540, 263312), (1568, 258610), (1760, 230398), (1960, 206888), (2156, 188080), (2240, 181027), (2351, 172480), (2464, 164570), (2695, 150464), (3080, 131656), (3136, 129305), (3520, 115199), (3920, 103444), (4312, 94040), (4702, 86240), (4928, 82285), (5390, 75232), (6160, 65828), (7840, 51722), (8624, 47020), (9404, 43120), (10780, 37616), (11755, 34496), (12320, 32914), (15680, 25861), (16457, 24640), (17248, 23510), (18808, 21560)]