287432860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{100501}}^1$

素因数の和:100534

約数の個数: 48

約数和(自身を含む): 709142112

約数和(自身を除く): 421709252

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 100501, 201002, 402004, 502505, 1005010, 1105511, 1306513, 2010020, 2211022, 2613026, 4422044, 5226052, 5527555, 6532565, 11055110, 13065130, 14371643, 22110220, 26130260, 28743286, 57486572, 71858215, 143716430, 287432860]

約数ペア:

[(1, 287432860), (2, 143716430), (4, 71858215), (5, 57486572), (10, 28743286), (11, 26130260), (13, 22110220), (20, 14371643), (22, 13065130), (26, 11055110), (44, 6532565), (52, 5527555), (55, 5226052), (65, 4422044), (110, 2613026), (130, 2211022), (143, 2010020), (220, 1306513), (260, 1105511), (286, 1005010), (572, 502505), (715, 402004), (1430, 201002), (2860, 100501)]