407313280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1308

約数の個数: 128

約数和(自身を含む): 1085736960

約数和(自身を除く): 678423680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 320, 352, 376, 440, 470, 517, 640, 704, 752, 880, 940, 1034, 1231, 1408, 1504, 1760, 1880, 2068, 2462, 2585, 3008, 3520, 3760, 4136, 4924, 5170, 6016, 6155, 7040, 7520, 8272, 9848, 10340, 12310, 13541, 15040, 16544, 19696, 20680, 24620, 27082, 30080, 33088, 39392, 41360, 49240, 54164, 57857, 66176, 67705, 78784, 82720, 98480, 108328, 115714, 135410, 157568, 165440, 196960, 216656, 231428, 270820, 289285, 330880, 393920, 433312, 462856, 541640, 578570, 636427, 787840, 866624, 925712, 1083280, 1157140, 1272854, 1733248, 1851424, 2166560, 2314280, 2545708, 3182135, 3702848, 4333120, 4628560, 5091416, 6364270, 7405696, 8666240, 9257120, 10182832, 12728540, 18514240, 20365664, 25457080, 37028480, 40731328, 50914160, 81462656, 101828320, 203656640, 407313280]

約数ペア:

[(1, 407313280), (2, 203656640), (4, 101828320), (5, 81462656), (8, 50914160), (10, 40731328), (11, 37028480), (16, 25457080), (20, 20365664), (22, 18514240), (32, 12728540), (40, 10182832), (44, 9257120), (47, 8666240), (55, 7405696), (64, 6364270), (80, 5091416), (88, 4628560), (94, 4333120), (110, 3702848), (128, 3182135), (160, 2545708), (176, 2314280), (188, 2166560), (220, 1851424), (235, 1733248), (320, 1272854), (352, 1157140), (376, 1083280), (440, 925712), (470, 866624), (517, 787840), (640, 636427), (704, 578570), (752, 541640), (880, 462856), (940, 433312), (1034, 393920), (1231, 330880), (1408, 289285), (1504, 270820), (1760, 231428), (1880, 216656), (2068, 196960), (2462, 165440), (2585, 157568), (3008, 135410), (3520, 115714), (3760, 108328), (4136, 98480), (4924, 82720), (5170, 78784), (6016, 67705), (6155, 66176), (7040, 57857), (7520, 54164), (8272, 49240), (9848, 41360), (10340, 39392), (12310, 33088), (13541, 30080), (15040, 27082), (16544, 24620), (19696, 20680)]