210977620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65521}}^1$

素因数の和:65560

約数の個数: 48

約数和(自身を含む): 528369408

約数和(自身を除く): 317391788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 65521, 131042, 262084, 327605, 458647, 655210, 917294, 1310420, 1506983, 1834588, 2293235, 3013966, 4586470, 6027932, 7534915, 9172940, 10548881, 15069830, 21097762, 30139660, 42195524, 52744405, 105488810, 210977620]

約数ペア:

[(1, 210977620), (2, 105488810), (4, 52744405), (5, 42195524), (7, 30139660), (10, 21097762), (14, 15069830), (20, 10548881), (23, 9172940), (28, 7534915), (35, 6027932), (46, 4586470), (70, 3013966), (92, 2293235), (115, 1834588), (140, 1506983), (161, 1310420), (230, 917294), (322, 655210), (460, 458647), (644, 327605), (805, 262084), (1610, 131042), (3220, 65521)]