202154180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 436364544

約数和(自身を除く): 234210364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 751, 860, 1252, 1502, 1565, 3004, 3130, 3755, 6260, 7510, 13459, 15020, 26918, 32293, 53836, 64586, 67295, 129172, 134590, 161465, 235063, 269180, 322930, 470126, 645860, 940252, 1175315, 2350630, 4701260, 10107709, 20215418, 40430836, 50538545, 101077090, 202154180]

約数ペア:

[(1, 202154180), (2, 101077090), (4, 50538545), (5, 40430836), (10, 20215418), (20, 10107709), (43, 4701260), (86, 2350630), (172, 1175315), (215, 940252), (313, 645860), (430, 470126), (626, 322930), (751, 269180), (860, 235063), (1252, 161465), (1502, 134590), (1565, 129172), (3004, 67295), (3130, 64586), (3755, 53836), (6260, 32293), (7510, 26918), (13459, 15020)]