19774300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 55121472

約数和(自身を除く): 35347172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 41, 50, 52, 53, 65, 70, 82, 91, 100, 106, 130, 140, 164, 175, 182, 205, 212, 260, 265, 287, 325, 350, 364, 371, 410, 455, 530, 533, 574, 650, 689, 700, 742, 820, 910, 1025, 1060, 1066, 1148, 1300, 1325, 1378, 1435, 1484, 1820, 1855, 2050, 2132, 2173, 2275, 2650, 2665, 2756, 2870, 3445, 3710, 3731, 4100, 4346, 4550, 4823, 5300, 5330, 5740, 6890, 7175, 7420, 7462, 8692, 9100, 9275, 9646, 10660, 10865, 13325, 13780, 14350, 14924, 15211, 17225, 18550, 18655, 19292, 21730, 24115, 26650, 28249, 28700, 30422, 34450, 37100, 37310, 43460, 48230, 53300, 54325, 56498, 60844, 68900, 74620, 76055, 93275, 96460, 108650, 112996, 120575, 141245, 152110, 186550, 197743, 217300, 241150, 282490, 304220, 373100, 380275, 395486, 482300, 564980, 706225, 760550, 790972, 988715, 1412450, 1521100, 1977430, 2824900, 3954860, 4943575, 9887150, 19774300]

約数ペア:

[(1, 19774300), (2, 9887150), (4, 4943575), (5, 3954860), (7, 2824900), (10, 1977430), (13, 1521100), (14, 1412450), (20, 988715), (25, 790972), (26, 760550), (28, 706225), (35, 564980), (41, 482300), (50, 395486), (52, 380275), (53, 373100), (65, 304220), (70, 282490), (82, 241150), (91, 217300), (100, 197743), (106, 186550), (130, 152110), (140, 141245), (164, 120575), (175, 112996), (182, 108650), (205, 96460), (212, 93275), (260, 76055), (265, 74620), (287, 68900), (325, 60844), (350, 56498), (364, 54325), (371, 53300), (410, 48230), (455, 43460), (530, 37310), (533, 37100), (574, 34450), (650, 30422), (689, 28700), (700, 28249), (742, 26650), (820, 24115), (910, 21730), (1025, 19292), (1060, 18655), (1066, 18550), (1148, 17225), (1300, 15211), (1325, 14924), (1378, 14350), (1435, 13780), (1484, 13325), (1820, 10865), (1855, 10660), (2050, 9646), (2132, 9275), (2173, 9100), (2275, 8692), (2650, 7462), (2665, 7420), (2756, 7175), (2870, 6890), (3445, 5740), (3710, 5330), (3731, 5300), (4100, 4823), (4346, 4550)]