220144144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 485254656

約数和(自身を除く): 265110512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 157, 176, 248, 257, 314, 341, 496, 514, 628, 682, 1028, 1256, 1364, 1727, 2056, 2512, 2728, 2827, 3454, 4112, 4867, 5456, 5654, 6908, 7967, 9734, 11308, 13816, 15934, 19468, 22616, 27632, 31868, 38936, 40349, 45232, 53537, 63736, 77872, 80698, 87637, 107074, 127472, 161396, 175274, 214148, 322792, 350548, 428296, 443839, 645584, 701096, 856592, 887678, 1250819, 1402192, 1775356, 2501638, 3550712, 5003276, 7101424, 10006552, 13759009, 20013104, 27518018, 55036036, 110072072, 220144144]

約数ペア:

[(1, 220144144), (2, 110072072), (4, 55036036), (8, 27518018), (11, 20013104), (16, 13759009), (22, 10006552), (31, 7101424), (44, 5003276), (62, 3550712), (88, 2501638), (124, 1775356), (157, 1402192), (176, 1250819), (248, 887678), (257, 856592), (314, 701096), (341, 645584), (496, 443839), (514, 428296), (628, 350548), (682, 322792), (1028, 214148), (1256, 175274), (1364, 161396), (1727, 127472), (2056, 107074), (2512, 87637), (2728, 80698), (2827, 77872), (3454, 63736), (4112, 53537), (4867, 45232), (5456, 40349), (5654, 38936), (6908, 31868), (7967, 27632), (9734, 22616), (11308, 19468), (13816, 15934)]