2191840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 6289920

約数和(自身を除く): 4098080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 103, 112, 133, 140, 152, 160, 190, 206, 224, 266, 280, 304, 380, 412, 515, 532, 560, 608, 665, 721, 760, 824, 1030, 1064, 1120, 1330, 1442, 1520, 1648, 1957, 2060, 2128, 2660, 2884, 3040, 3296, 3605, 3914, 4120, 4256, 5320, 5768, 7210, 7828, 8240, 9785, 10640, 11536, 13699, 14420, 15656, 16480, 19570, 21280, 23072, 27398, 28840, 31312, 39140, 54796, 57680, 62624, 68495, 78280, 109592, 115360, 136990, 156560, 219184, 273980, 313120, 438368, 547960, 1095920, 2191840]

約数ペア:

[(1, 2191840), (2, 1095920), (4, 547960), (5, 438368), (7, 313120), (8, 273980), (10, 219184), (14, 156560), (16, 136990), (19, 115360), (20, 109592), (28, 78280), (32, 68495), (35, 62624), (38, 57680), (40, 54796), (56, 39140), (70, 31312), (76, 28840), (80, 27398), (95, 23072), (103, 21280), (112, 19570), (133, 16480), (140, 15656), (152, 14420), (160, 13699), (190, 11536), (206, 10640), (224, 9785), (266, 8240), (280, 7828), (304, 7210), (380, 5768), (412, 5320), (515, 4256), (532, 4120), (560, 3914), (608, 3605), (665, 3296), (721, 3040), (760, 2884), (824, 2660), (1030, 2128), (1064, 2060), (1120, 1957), (1330, 1648), (1442, 1520)]