2185820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 5654208

約数和(自身を除く): 3468388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1201, 1820, 2402, 4804, 6005, 8407, 12010, 15613, 16814, 24020, 31226, 33628, 42035, 62452, 78065, 84070, 109291, 156130, 168140, 218582, 312260, 437164, 546455, 1092910, 2185820]

約数ペア:

[(1, 2185820), (2, 1092910), (4, 546455), (5, 437164), (7, 312260), (10, 218582), (13, 168140), (14, 156130), (20, 109291), (26, 84070), (28, 78065), (35, 62452), (52, 42035), (65, 33628), (70, 31226), (91, 24020), (130, 16814), (140, 15613), (182, 12010), (260, 8407), (364, 6005), (455, 4804), (910, 2402), (1201, 1820)]