898997440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2166

約数の個数: 112

約数和(自身を含む): 2354909184

約数和(自身を除く): 1455911744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 160, 176, 220, 254, 320, 352, 440, 508, 635, 704, 880, 1016, 1270, 1397, 1760, 2011, 2032, 2540, 2794, 3520, 4022, 4064, 5080, 5588, 6985, 8044, 8128, 10055, 10160, 11176, 13970, 16088, 20110, 20320, 22121, 22352, 27940, 32176, 40220, 40640, 44242, 44704, 55880, 64352, 80440, 88484, 89408, 110605, 111760, 128704, 160880, 176968, 221210, 223520, 255397, 321760, 353936, 442420, 447040, 510794, 643520, 707872, 884840, 1021588, 1276985, 1415744, 1769680, 2043176, 2553970, 2809367, 3539360, 4086352, 5107940, 5618734, 7078720, 8172704, 10215880, 11237468, 14046835, 16345408, 20431760, 22474936, 28093670, 40863520, 44949872, 56187340, 81727040, 89899744, 112374680, 179799488, 224749360, 449498720, 898997440]

約数ペア:

[(1, 898997440), (2, 449498720), (4, 224749360), (5, 179799488), (8, 112374680), (10, 89899744), (11, 81727040), (16, 56187340), (20, 44949872), (22, 40863520), (32, 28093670), (40, 22474936), (44, 20431760), (55, 16345408), (64, 14046835), (80, 11237468), (88, 10215880), (110, 8172704), (127, 7078720), (160, 5618734), (176, 5107940), (220, 4086352), (254, 3539360), (320, 2809367), (352, 2553970), (440, 2043176), (508, 1769680), (635, 1415744), (704, 1276985), (880, 1021588), (1016, 884840), (1270, 707872), (1397, 643520), (1760, 510794), (2011, 447040), (2032, 442420), (2540, 353936), (2794, 321760), (3520, 255397), (4022, 223520), (4064, 221210), (5080, 176968), (5588, 160880), (6985, 128704), (8044, 111760), (8128, 110605), (10055, 89408), (10160, 88484), (11176, 80440), (13970, 64352), (16088, 55880), (20110, 44704), (20320, 44242), (22121, 40640), (22352, 40220), (27940, 32176)]