30040400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 79916760

約数和(自身を除く): 49876360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 53, 65, 80, 100, 104, 106, 109, 130, 200, 208, 212, 218, 260, 265, 325, 400, 424, 436, 520, 530, 545, 650, 689, 848, 872, 1040, 1060, 1090, 1300, 1325, 1378, 1417, 1744, 2120, 2180, 2600, 2650, 2725, 2756, 2834, 3445, 4240, 4360, 5200, 5300, 5450, 5512, 5668, 5777, 6890, 7085, 8720, 10600, 10900, 11024, 11336, 11554, 13780, 14170, 17225, 21200, 21800, 22672, 23108, 27560, 28340, 28885, 34450, 35425, 43600, 46216, 55120, 56680, 57770, 68900, 70850, 75101, 92432, 113360, 115540, 137800, 141700, 144425, 150202, 231080, 275600, 283400, 288850, 300404, 375505, 462160, 566800, 577700, 600808, 751010, 1155400, 1201616, 1502020, 1877525, 2310800, 3004040, 3755050, 6008080, 7510100, 15020200, 30040400]

約数ペア:

[(1, 30040400), (2, 15020200), (4, 7510100), (5, 6008080), (8, 3755050), (10, 3004040), (13, 2310800), (16, 1877525), (20, 1502020), (25, 1201616), (26, 1155400), (40, 751010), (50, 600808), (52, 577700), (53, 566800), (65, 462160), (80, 375505), (100, 300404), (104, 288850), (106, 283400), (109, 275600), (130, 231080), (200, 150202), (208, 144425), (212, 141700), (218, 137800), (260, 115540), (265, 113360), (325, 92432), (400, 75101), (424, 70850), (436, 68900), (520, 57770), (530, 56680), (545, 55120), (650, 46216), (689, 43600), (848, 35425), (872, 34450), (1040, 28885), (1060, 28340), (1090, 27560), (1300, 23108), (1325, 22672), (1378, 21800), (1417, 21200), (1744, 17225), (2120, 14170), (2180, 13780), (2600, 11554), (2650, 11336), (2725, 11024), (2756, 10900), (2834, 10600), (3445, 8720), (4240, 7085), (4360, 6890), (5200, 5777), (5300, 5668), (5450, 5512)]