278548144

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 661112448

約数和(自身を除く): 382564304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 73, 98, 112, 124, 146, 157, 196, 217, 248, 292, 314, 392, 434, 496, 511, 584, 628, 784, 868, 1022, 1099, 1168, 1256, 1519, 1736, 2044, 2198, 2263, 2512, 3038, 3472, 3577, 4088, 4396, 4526, 4867, 6076, 7154, 7693, 8176, 8792, 9052, 9734, 11461, 12152, 14308, 15386, 15841, 17584, 18104, 19468, 22922, 24304, 28616, 30772, 31682, 34069, 36208, 38936, 45844, 57232, 61544, 63364, 68138, 77872, 80227, 91688, 110887, 123088, 126728, 136276, 160454, 183376, 221774, 238483, 253456, 272552, 320908, 355291, 443548, 476966, 545104, 561589, 641816, 710582, 887096, 953932, 1123178, 1283632, 1421164, 1774192, 1907864, 2246356, 2487037, 2842328, 3815728, 4492712, 4974074, 5684656, 8985424, 9948148, 17409259, 19896296, 34818518, 39792592, 69637036, 139274072, 278548144]

約数ペア:

[(1, 278548144), (2, 139274072), (4, 69637036), (7, 39792592), (8, 34818518), (14, 19896296), (16, 17409259), (28, 9948148), (31, 8985424), (49, 5684656), (56, 4974074), (62, 4492712), (73, 3815728), (98, 2842328), (112, 2487037), (124, 2246356), (146, 1907864), (157, 1774192), (196, 1421164), (217, 1283632), (248, 1123178), (292, 953932), (314, 887096), (392, 710582), (434, 641816), (496, 561589), (511, 545104), (584, 476966), (628, 443548), (784, 355291), (868, 320908), (1022, 272552), (1099, 253456), (1168, 238483), (1256, 221774), (1519, 183376), (1736, 160454), (2044, 136276), (2198, 126728), (2263, 123088), (2512, 110887), (3038, 91688), (3472, 80227), (3577, 77872), (4088, 68138), (4396, 63364), (4526, 61544), (4867, 57232), (6076, 45844), (7154, 38936), (7693, 36208), (8176, 34069), (8792, 31682), (9052, 30772), (9734, 28616), (11461, 24304), (12152, 22922), (14308, 19468), (15386, 18104), (15841, 17584)]