2896390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 6352992

約数和(自身を除く): 3456602

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 257, 322, 490, 514, 805, 1127, 1285, 1610, 1799, 2254, 2570, 3598, 5635, 5911, 8995, 11270, 11822, 12593, 17990, 25186, 29555, 41377, 59110, 62965, 82754, 125930, 206885, 289639, 413770, 579278, 1448195, 2896390]

約数ペア:

[(1, 2896390), (2, 1448195), (5, 579278), (7, 413770), (10, 289639), (14, 206885), (23, 125930), (35, 82754), (46, 62965), (49, 59110), (70, 41377), (98, 29555), (115, 25186), (161, 17990), (230, 12593), (245, 11822), (257, 11270), (322, 8995), (490, 5911), (514, 5635), (805, 3598), (1127, 2570), (1285, 2254), (1610, 1799)]