449020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 1114848

約数和(自身を除く): 665828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 157, 220, 260, 286, 314, 572, 628, 715, 785, 1430, 1570, 1727, 2041, 2860, 3140, 3454, 4082, 6908, 8164, 8635, 10205, 17270, 20410, 22451, 34540, 40820, 44902, 89804, 112255, 224510, 449020]

約数ペア:

[(1, 449020), (2, 224510), (4, 112255), (5, 89804), (10, 44902), (11, 40820), (13, 34540), (20, 22451), (22, 20410), (26, 17270), (44, 10205), (52, 8635), (55, 8164), (65, 6908), (110, 4082), (130, 3454), (143, 3140), (157, 2860), (220, 2041), (260, 1727), (286, 1570), (314, 1430), (572, 785), (628, 715)]