1388091320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1627}}^1$

素因数の和:1933

約数の個数: 128

約数和(自身を含む): 3910325760

約数和(自身を除く): 2522234440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 277, 280, 308, 385, 440, 554, 616, 770, 1108, 1385, 1540, 1627, 1939, 2216, 2770, 3047, 3080, 3254, 3878, 5540, 6094, 6508, 7756, 8135, 9695, 11080, 11389, 12188, 13016, 15235, 15512, 16270, 17897, 19390, 21329, 22778, 24376, 30470, 32540, 35794, 38780, 42658, 45556, 56945, 60940, 65080, 71588, 77560, 85316, 89485, 91112, 106645, 113890, 121880, 125279, 143176, 170632, 178970, 213290, 227780, 250558, 357940, 426580, 450679, 455560, 501116, 626395, 715880, 853160, 901358, 1002232, 1252790, 1802716, 2253395, 2505580, 3154753, 3605432, 4506790, 4957469, 5011160, 6309506, 9013580, 9914938, 12619012, 15773765, 18027160, 19829876, 24787345, 25238024, 31547530, 34702283, 39659752, 49574690, 63095060, 69404566, 99149380, 126190120, 138809132, 173511415, 198298760, 277618264, 347022830, 694045660, 1388091320]

約数ペア:

[(1, 1388091320), (2, 694045660), (4, 347022830), (5, 277618264), (7, 198298760), (8, 173511415), (10, 138809132), (11, 126190120), (14, 99149380), (20, 69404566), (22, 63095060), (28, 49574690), (35, 39659752), (40, 34702283), (44, 31547530), (55, 25238024), (56, 24787345), (70, 19829876), (77, 18027160), (88, 15773765), (110, 12619012), (140, 9914938), (154, 9013580), (220, 6309506), (277, 5011160), (280, 4957469), (308, 4506790), (385, 3605432), (440, 3154753), (554, 2505580), (616, 2253395), (770, 1802716), (1108, 1252790), (1385, 1002232), (1540, 901358), (1627, 853160), (1939, 715880), (2216, 626395), (2770, 501116), (3047, 455560), (3080, 450679), (3254, 426580), (3878, 357940), (5540, 250558), (6094, 227780), (6508, 213290), (7756, 178970), (8135, 170632), (9695, 143176), (11080, 125279), (11389, 121880), (12188, 113890), (13016, 106645), (15235, 91112), (15512, 89485), (16270, 85316), (17897, 77560), (19390, 71588), (21329, 65080), (22778, 60940), (24376, 56945), (30470, 45556), (32540, 42658), (35794, 38780)]