519784780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{1117}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 1115674560

約数和(自身を除く): 595889780

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 439, 530, 878, 1060, 1117, 1756, 2195, 2234, 4390, 4468, 5585, 8780, 11170, 22340, 23267, 46534, 59201, 93068, 116335, 118402, 232670, 236804, 296005, 465340, 490363, 592010, 980726, 1184020, 1961452, 2451815, 4903630, 9807260, 25989239, 51978478, 103956956, 129946195, 259892390, 519784780]

約数ペア:

[(1, 519784780), (2, 259892390), (4, 129946195), (5, 103956956), (10, 51978478), (20, 25989239), (53, 9807260), (106, 4903630), (212, 2451815), (265, 1961452), (439, 1184020), (530, 980726), (878, 592010), (1060, 490363), (1117, 465340), (1756, 296005), (2195, 236804), (2234, 232670), (4390, 118402), (4468, 116335), (5585, 93068), (8780, 59201), (11170, 46534), (22340, 23267)]