219049240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 516404160

約数和(自身を除く): 297354920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 457, 460, 521, 914, 920, 1042, 1828, 2084, 2285, 2605, 3656, 4168, 4570, 5210, 9140, 10420, 10511, 11983, 18280, 20840, 21022, 23966, 42044, 47932, 52555, 59915, 84088, 95864, 105110, 119830, 210220, 238097, 239660, 420440, 476194, 479320, 952388, 1190485, 1904776, 2380970, 4761940, 5476231, 9523880, 10952462, 21904924, 27381155, 43809848, 54762310, 109524620, 219049240]

約数ペア:

[(1, 219049240), (2, 109524620), (4, 54762310), (5, 43809848), (8, 27381155), (10, 21904924), (20, 10952462), (23, 9523880), (40, 5476231), (46, 4761940), (92, 2380970), (115, 1904776), (184, 1190485), (230, 952388), (457, 479320), (460, 476194), (521, 420440), (914, 239660), (920, 238097), (1042, 210220), (1828, 119830), (2084, 105110), (2285, 95864), (2605, 84088), (3656, 59915), (4168, 52555), (4570, 47932), (5210, 42044), (9140, 23966), (10420, 21022), (10511, 20840), (11983, 18280)]