201455320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 504176400

約数和(自身を除く): 302721080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 121, 214, 220, 242, 389, 428, 440, 484, 535, 605, 778, 856, 968, 1070, 1177, 1210, 1556, 1945, 2140, 2354, 2420, 3112, 3890, 4279, 4280, 4708, 4840, 5885, 7780, 8558, 9416, 11770, 12947, 15560, 17116, 21395, 23540, 25894, 34232, 41623, 42790, 47069, 47080, 51788, 64735, 83246, 85580, 94138, 103576, 129470, 166492, 171160, 188276, 208115, 235345, 258940, 332984, 376552, 416230, 457853, 470690, 517880, 832460, 915706, 941380, 1664920, 1831412, 1882760, 2289265, 3662824, 4578530, 5036383, 9157060, 10072766, 18314120, 20145532, 25181915, 40291064, 50363830, 100727660, 201455320]

約数ペア:

[(1, 201455320), (2, 100727660), (4, 50363830), (5, 40291064), (8, 25181915), (10, 20145532), (11, 18314120), (20, 10072766), (22, 9157060), (40, 5036383), (44, 4578530), (55, 3662824), (88, 2289265), (107, 1882760), (110, 1831412), (121, 1664920), (214, 941380), (220, 915706), (242, 832460), (389, 517880), (428, 470690), (440, 457853), (484, 416230), (535, 376552), (605, 332984), (778, 258940), (856, 235345), (968, 208115), (1070, 188276), (1177, 171160), (1210, 166492), (1556, 129470), (1945, 103576), (2140, 94138), (2354, 85580), (2420, 83246), (3112, 64735), (3890, 51788), (4279, 47080), (4280, 47069), (4708, 42790), (4840, 41623), (5885, 34232), (7780, 25894), (8558, 23540), (9416, 21395), (11770, 17116), (12947, 15560)]