1000090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 2269512

約数和(自身を除く): 1269422

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 157, 182, 245, 314, 455, 490, 637, 785, 910, 1099, 1274, 1570, 2041, 2198, 3185, 4082, 5495, 6370, 7693, 10205, 10990, 14287, 15386, 20410, 28574, 38465, 71435, 76930, 100009, 142870, 200018, 500045, 1000090]

約数ペア:

[(1, 1000090), (2, 500045), (5, 200018), (7, 142870), (10, 100009), (13, 76930), (14, 71435), (26, 38465), (35, 28574), (49, 20410), (65, 15386), (70, 14287), (91, 10990), (98, 10205), (130, 7693), (157, 6370), (182, 5495), (245, 4082), (314, 3185), (455, 2198), (490, 2041), (637, 1570), (785, 1274), (910, 1099)]