197704980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3278

約数の個数: 144

約数和(自身を含む): 675537408

約数和(自身を除く): 477832428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3221, 3410, 4092, 5115, 5580, 6138, 6442, 6820, 9663, 10230, 12276, 12884, 15345, 16105, 19326, 20460, 28989, 30690, 32210, 35431, 38652, 48315, 57978, 61380, 64420, 70862, 96630, 99851, 106293, 115956, 141724, 144945, 177155, 193260, 199702, 212586, 289890, 299553, 318879, 354310, 399404, 425172, 499255, 531465, 579780, 599106, 637758, 708620, 898659, 998510, 1062930, 1098361, 1198212, 1275516, 1497765, 1594395, 1797318, 1997020, 2125860, 2196722, 2995530, 3188790, 3295083, 3594636, 4393444, 4493295, 5491805, 5991060, 6377580, 6590166, 8986590, 9885249, 10983610, 13180332, 16475415, 17973180, 19770498, 21967220, 32950830, 39540996, 49426245, 65901660, 98852490, 197704980]

約数ペア:

[(1, 197704980), (2, 98852490), (3, 65901660), (4, 49426245), (5, 39540996), (6, 32950830), (9, 21967220), (10, 19770498), (11, 17973180), (12, 16475415), (15, 13180332), (18, 10983610), (20, 9885249), (22, 8986590), (30, 6590166), (31, 6377580), (33, 5991060), (36, 5491805), (44, 4493295), (45, 4393444), (55, 3594636), (60, 3295083), (62, 3188790), (66, 2995530), (90, 2196722), (93, 2125860), (99, 1997020), (110, 1797318), (124, 1594395), (132, 1497765), (155, 1275516), (165, 1198212), (180, 1098361), (186, 1062930), (198, 998510), (220, 898659), (279, 708620), (310, 637758), (330, 599106), (341, 579780), (372, 531465), (396, 499255), (465, 425172), (495, 399404), (558, 354310), (620, 318879), (660, 299553), (682, 289890), (930, 212586), (990, 199702), (1023, 193260), (1116, 177155), (1364, 144945), (1395, 141724), (1705, 115956), (1860, 106293), (1980, 99851), (2046, 96630), (2790, 70862), (3069, 64420), (3221, 61380), (3410, 57978), (4092, 48315), (5115, 38652), (5580, 35431), (6138, 32210), (6442, 30690), (6820, 28989), (9663, 20460), (10230, 19326), (12276, 16105), (12884, 15345)]