38027920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 104959800

約数和(自身を除く): 66931880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 109, 112, 140, 178, 196, 218, 245, 280, 356, 392, 436, 445, 490, 545, 560, 623, 712, 763, 784, 872, 890, 980, 1090, 1246, 1424, 1526, 1744, 1780, 1960, 2180, 2492, 3052, 3115, 3560, 3815, 3920, 4360, 4361, 4984, 5341, 6104, 6230, 7120, 7630, 8720, 8722, 9701, 9968, 10682, 12208, 12460, 15260, 17444, 19402, 21364, 21805, 24920, 26705, 30520, 34888, 38804, 42728, 43610, 48505, 49840, 53410, 61040, 67907, 69776, 77608, 85456, 87220, 97010, 106820, 135814, 155216, 174440, 194020, 213640, 271628, 339535, 348880, 388040, 427280, 475349, 543256, 679070, 776080, 950698, 1086512, 1358140, 1901396, 2376745, 2716280, 3802792, 4753490, 5432560, 7605584, 9506980, 19013960, 38027920]

約数ペア:

[(1, 38027920), (2, 19013960), (4, 9506980), (5, 7605584), (7, 5432560), (8, 4753490), (10, 3802792), (14, 2716280), (16, 2376745), (20, 1901396), (28, 1358140), (35, 1086512), (40, 950698), (49, 776080), (56, 679070), (70, 543256), (80, 475349), (89, 427280), (98, 388040), (109, 348880), (112, 339535), (140, 271628), (178, 213640), (196, 194020), (218, 174440), (245, 155216), (280, 135814), (356, 106820), (392, 97010), (436, 87220), (445, 85456), (490, 77608), (545, 69776), (560, 67907), (623, 61040), (712, 53410), (763, 49840), (784, 48505), (872, 43610), (890, 42728), (980, 38804), (1090, 34888), (1246, 30520), (1424, 26705), (1526, 24920), (1744, 21805), (1780, 21364), (1960, 19402), (2180, 17444), (2492, 15260), (3052, 12460), (3115, 12208), (3560, 10682), (3815, 9968), (3920, 9701), (4360, 8722), (4361, 8720), (4984, 7630), (5341, 7120), (6104, 6230)]