219830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 453600

約数和(自身を除く): 233770

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 89, 95, 130, 178, 190, 247, 445, 494, 890, 1157, 1235, 1691, 2314, 2470, 3382, 5785, 8455, 11570, 16910, 21983, 43966, 109915, 219830]

約数ペア:

[(1, 219830), (2, 109915), (5, 43966), (10, 21983), (13, 16910), (19, 11570), (26, 8455), (38, 5785), (65, 3382), (89, 2470), (95, 2314), (130, 1691), (178, 1235), (190, 1157), (247, 890), (445, 494)]