1543990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 3398112

約数和(自身を除く): 1854122

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 137, 161, 230, 245, 274, 322, 490, 685, 805, 959, 1127, 1370, 1610, 1918, 2254, 3151, 4795, 5635, 6302, 6713, 9590, 11270, 13426, 15755, 22057, 31510, 33565, 44114, 67130, 110285, 154399, 220570, 308798, 771995, 1543990]

約数ペア:

[(1, 1543990), (2, 771995), (5, 308798), (7, 220570), (10, 154399), (14, 110285), (23, 67130), (35, 44114), (46, 33565), (49, 31510), (70, 22057), (98, 15755), (115, 13426), (137, 11270), (161, 9590), (230, 6713), (245, 6302), (274, 5635), (322, 4795), (490, 3151), (685, 2254), (805, 1918), (959, 1610), (1127, 1370)]