220639450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2599

約数の個数: 48

約数和(自身を含む): 430347456

約数和(自身を除く): 209708006

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 410, 430, 1025, 1075, 1763, 2050, 2150, 2503, 3526, 5006, 8815, 12515, 17630, 25030, 44075, 62575, 88150, 102623, 107629, 125150, 205246, 215258, 513115, 538145, 1026230, 1076290, 2565575, 2690725, 4412789, 5131150, 5381450, 8825578, 22063945, 44127890, 110319725, 220639450]

約数ペア:

[(1, 220639450), (2, 110319725), (5, 44127890), (10, 22063945), (25, 8825578), (41, 5381450), (43, 5131150), (50, 4412789), (82, 2690725), (86, 2565575), (205, 1076290), (215, 1026230), (410, 538145), (430, 513115), (1025, 215258), (1075, 205246), (1763, 125150), (2050, 107629), (2150, 102623), (2503, 88150), (3526, 62575), (5006, 44075), (8815, 25030), (12515, 17630)]