201978736

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 421178400

約数和(自身を除く): 219199664

約数列:

[1, 2, 4, 8, 16, 29, 58, 67, 73, 89, 116, 134, 146, 178, 232, 268, 292, 356, 464, 536, 584, 712, 1072, 1168, 1424, 1943, 2117, 2581, 3886, 4234, 4891, 5162, 5963, 6497, 7772, 8468, 9782, 10324, 11926, 12994, 15544, 16936, 19564, 20648, 23852, 25988, 31088, 33872, 39128, 41296, 47704, 51976, 78256, 95408, 103952, 141839, 172927, 188413, 283678, 345854, 376826, 435299, 567356, 691708, 753652, 870598, 1134712, 1383416, 1507304, 1741196, 2269424, 2766832, 3014608, 3482392, 6964784, 12623671, 25247342, 50494684, 100989368, 201978736]

約数ペア:

[(1, 201978736), (2, 100989368), (4, 50494684), (8, 25247342), (16, 12623671), (29, 6964784), (58, 3482392), (67, 3014608), (73, 2766832), (89, 2269424), (116, 1741196), (134, 1507304), (146, 1383416), (178, 1134712), (232, 870598), (268, 753652), (292, 691708), (356, 567356), (464, 435299), (536, 376826), (584, 345854), (712, 283678), (1072, 188413), (1168, 172927), (1424, 141839), (1943, 103952), (2117, 95408), (2581, 78256), (3886, 51976), (4234, 47704), (4891, 41296), (5162, 39128), (5963, 33872), (6497, 31088), (7772, 25988), (8468, 23852), (9782, 20648), (10324, 19564), (11926, 16936), (12994, 15544)]