289704996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 864864000

約数和(自身を除く): 575159004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 109, 126, 159, 199, 212, 218, 252, 318, 327, 371, 398, 436, 477, 597, 636, 654, 742, 763, 796, 954, 981, 1113, 1194, 1308, 1393, 1484, 1526, 1791, 1908, 1962, 2226, 2289, 2388, 2786, 3052, 3339, 3582, 3924, 4179, 4452, 4578, 5572, 5777, 6678, 6867, 7164, 8358, 9156, 10547, 11554, 12537, 13356, 13734, 16716, 17331, 21094, 21691, 23108, 25074, 27468, 31641, 34662, 40439, 42188, 43382, 50148, 51993, 63282, 65073, 69324, 73829, 80878, 86764, 94923, 103986, 121317, 126564, 130146, 147658, 151837, 161756, 189846, 195219, 207972, 221487, 242634, 260292, 295316, 303674, 363951, 379692, 390438, 442974, 455511, 485268, 607348, 664461, 727902, 780876, 885948, 911022, 1149623, 1328922, 1366533, 1455804, 1822044, 2299246, 2657844, 2733066, 3448869, 4598492, 5466132, 6897738, 8047361, 10346607, 13795476, 16094722, 20693214, 24142083, 32189444, 41386428, 48284166, 72426249, 96568332, 144852498, 289704996]

約数ペア:

[(1, 289704996), (2, 144852498), (3, 96568332), (4, 72426249), (6, 48284166), (7, 41386428), (9, 32189444), (12, 24142083), (14, 20693214), (18, 16094722), (21, 13795476), (28, 10346607), (36, 8047361), (42, 6897738), (53, 5466132), (63, 4598492), (84, 3448869), (106, 2733066), (109, 2657844), (126, 2299246), (159, 1822044), (199, 1455804), (212, 1366533), (218, 1328922), (252, 1149623), (318, 911022), (327, 885948), (371, 780876), (398, 727902), (436, 664461), (477, 607348), (597, 485268), (636, 455511), (654, 442974), (742, 390438), (763, 379692), (796, 363951), (954, 303674), (981, 295316), (1113, 260292), (1194, 242634), (1308, 221487), (1393, 207972), (1484, 195219), (1526, 189846), (1791, 161756), (1908, 151837), (1962, 147658), (2226, 130146), (2289, 126564), (2388, 121317), (2786, 103986), (3052, 94923), (3339, 86764), (3582, 80878), (3924, 73829), (4179, 69324), (4452, 65073), (4578, 63282), (5572, 51993), (5777, 50148), (6678, 43382), (6867, 42188), (7164, 40439), (8358, 34662), (9156, 31641), (10547, 27468), (11554, 25074), (12537, 23108), (13356, 21691), (13734, 21094), (16716, 17331)]