30699980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 68372640

約数和(自身を除く): 37672660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 1291, 2378, 2582, 4756, 5164, 5945, 6455, 11890, 12910, 23780, 25820, 37439, 52931, 74878, 105862, 149756, 187195, 211724, 264655, 374390, 529310, 748780, 1058620, 1534999, 3069998, 6139996, 7674995, 15349990, 30699980]

約数ペア:

[(1, 30699980), (2, 15349990), (4, 7674995), (5, 6139996), (10, 3069998), (20, 1534999), (29, 1058620), (41, 748780), (58, 529310), (82, 374390), (116, 264655), (145, 211724), (164, 187195), (205, 149756), (290, 105862), (410, 74878), (580, 52931), (820, 37439), (1189, 25820), (1291, 23780), (2378, 12910), (2582, 11890), (4756, 6455), (5164, 5945)]