31288400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 88473504

約数和(自身を除く): 57185104

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 176, 200, 208, 220, 260, 275, 286, 325, 400, 440, 520, 547, 550, 572, 650, 715, 880, 1040, 1094, 1100, 1144, 1300, 1430, 2188, 2200, 2288, 2600, 2735, 2860, 3575, 4376, 4400, 5200, 5470, 5720, 6017, 7111, 7150, 8752, 10940, 11440, 12034, 13675, 14222, 14300, 21880, 24068, 27350, 28444, 28600, 30085, 35555, 43760, 48136, 54700, 56888, 57200, 60170, 71110, 78221, 96272, 109400, 113776, 120340, 142220, 150425, 156442, 177775, 218800, 240680, 284440, 300850, 312884, 355550, 391105, 481360, 568880, 601700, 625768, 711100, 782210, 1203400, 1251536, 1422200, 1564420, 1955525, 2406800, 2844400, 3128840, 3911050, 6257680, 7822100, 15644200, 31288400]

約数ペア:

[(1, 31288400), (2, 15644200), (4, 7822100), (5, 6257680), (8, 3911050), (10, 3128840), (11, 2844400), (13, 2406800), (16, 1955525), (20, 1564420), (22, 1422200), (25, 1251536), (26, 1203400), (40, 782210), (44, 711100), (50, 625768), (52, 601700), (55, 568880), (65, 481360), (80, 391105), (88, 355550), (100, 312884), (104, 300850), (110, 284440), (130, 240680), (143, 218800), (176, 177775), (200, 156442), (208, 150425), (220, 142220), (260, 120340), (275, 113776), (286, 109400), (325, 96272), (400, 78221), (440, 71110), (520, 60170), (547, 57200), (550, 56888), (572, 54700), (650, 48136), (715, 43760), (880, 35555), (1040, 30085), (1094, 28600), (1100, 28444), (1144, 27350), (1300, 24068), (1430, 21880), (2188, 14300), (2200, 14222), (2288, 13675), (2600, 12034), (2735, 11440), (2860, 10940), (3575, 8752), (4376, 7150), (4400, 7111), (5200, 6017), (5470, 5720)]