2018605820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^2$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 5430039552

約数和(自身を除く): 3411433732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 167, 188, 220, 235, 308, 329, 334, 385, 470, 517, 658, 668, 770, 835, 940, 1034, 1169, 1316, 1540, 1645, 1670, 1837, 2068, 2338, 2585, 3290, 3340, 3619, 3674, 4676, 5170, 5845, 6580, 7238, 7348, 7849, 9185, 10340, 11690, 12859, 14476, 15698, 18095, 18370, 23380, 25718, 27889, 31396, 36190, 36740, 39245, 51436, 54943, 55778, 64295, 72380, 78490, 86339, 109886, 111556, 128590, 139445, 156980, 172678, 195223, 219772, 257180, 274715, 278890, 306779, 345356, 390446, 431695, 549430, 557780, 604373, 613558, 780892, 863390, 976115, 1098860, 1208746, 1227116, 1310783, 1533895, 1726780, 1952230, 2147453, 2417492, 2621566, 3021865, 3067790, 3904460, 4294906, 5243132, 6043730, 6135580, 6553915, 8589812, 9175481, 10737265, 12087460, 13107830, 14418613, 18350962, 21474530, 26215660, 28837226, 36701924, 42949060, 45877405, 57674452, 72093065, 91754810, 100930291, 144186130, 183509620, 201860582, 288372260, 403721164, 504651455, 1009302910, 2018605820]

約数ペア:

[(1, 2018605820), (2, 1009302910), (4, 504651455), (5, 403721164), (7, 288372260), (10, 201860582), (11, 183509620), (14, 144186130), (20, 100930291), (22, 91754810), (28, 72093065), (35, 57674452), (44, 45877405), (47, 42949060), (55, 36701924), (70, 28837226), (77, 26215660), (94, 21474530), (110, 18350962), (140, 14418613), (154, 13107830), (167, 12087460), (188, 10737265), (220, 9175481), (235, 8589812), (308, 6553915), (329, 6135580), (334, 6043730), (385, 5243132), (470, 4294906), (517, 3904460), (658, 3067790), (668, 3021865), (770, 2621566), (835, 2417492), (940, 2147453), (1034, 1952230), (1169, 1726780), (1316, 1533895), (1540, 1310783), (1645, 1227116), (1670, 1208746), (1837, 1098860), (2068, 976115), (2338, 863390), (2585, 780892), (3290, 613558), (3340, 604373), (3619, 557780), (3674, 549430), (4676, 431695), (5170, 390446), (5845, 345356), (6580, 306779), (7238, 278890), (7348, 274715), (7849, 257180), (9185, 219772), (10340, 195223), (11690, 172678), (12859, 156980), (14476, 139445), (15698, 128590), (18095, 111556), (18370, 109886), (23380, 86339), (25718, 78490), (27889, 72380), (31396, 64295), (36190, 55778), (36740, 54943), (39245, 51436)]