2039870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 2441698

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 181, 230, 245, 322, 362, 490, 805, 905, 1127, 1267, 1610, 1810, 2254, 2534, 4163, 5635, 6335, 8326, 8869, 11270, 12670, 17738, 20815, 29141, 41630, 44345, 58282, 88690, 145705, 203987, 291410, 407974, 1019935, 2039870]

約数ペア:

[(1, 2039870), (2, 1019935), (5, 407974), (7, 291410), (10, 203987), (14, 145705), (23, 88690), (35, 58282), (46, 44345), (49, 41630), (70, 29141), (98, 20815), (115, 17738), (161, 12670), (181, 11270), (230, 8869), (245, 8326), (322, 6335), (362, 5635), (490, 4163), (805, 2534), (905, 2254), (1127, 1810), (1267, 1610)]