489896820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22871}}^1$

素因数の和:22910

約数の個数: 144

約数和(自身を含む): 1798288128

約数和(自身を除く): 1308391308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 22871, 45742, 68613, 91484, 114355, 137226, 160097, 205839, 228710, 274452, 320194, 343065, 388807, 411678, 457420, 480291, 640388, 686130, 777614, 800485, 823356, 960582, 1029195, 1166421, 1372260, 1440873, 1555228, 1600970, 1921164, 1944035, 2058390, 2332842, 2401455, 2721649, 2881746, 3201940, 3499263, 3888070, 4116780, 4665684, 4802910, 5443298, 5763492, 5832105, 6998526, 7204365, 7776140, 8164947, 9605820, 10886596, 11664210, 13608245, 13997052, 14408730, 16329894, 17496315, 23328420, 24494841, 27216490, 28817460, 32659788, 34992630, 40824735, 48989682, 54432980, 69985260, 81649470, 97979364, 122474205, 163298940, 244948410, 489896820]

約数ペア:

[(1, 489896820), (2, 244948410), (3, 163298940), (4, 122474205), (5, 97979364), (6, 81649470), (7, 69985260), (9, 54432980), (10, 48989682), (12, 40824735), (14, 34992630), (15, 32659788), (17, 28817460), (18, 27216490), (20, 24494841), (21, 23328420), (28, 17496315), (30, 16329894), (34, 14408730), (35, 13997052), (36, 13608245), (42, 11664210), (45, 10886596), (51, 9605820), (60, 8164947), (63, 7776140), (68, 7204365), (70, 6998526), (84, 5832105), (85, 5763492), (90, 5443298), (102, 4802910), (105, 4665684), (119, 4116780), (126, 3888070), (140, 3499263), (153, 3201940), (170, 2881746), (180, 2721649), (204, 2401455), (210, 2332842), (238, 2058390), (252, 1944035), (255, 1921164), (306, 1600970), (315, 1555228), (340, 1440873), (357, 1372260), (420, 1166421), (476, 1029195), (510, 960582), (595, 823356), (612, 800485), (630, 777614), (714, 686130), (765, 640388), (1020, 480291), (1071, 457420), (1190, 411678), (1260, 388807), (1428, 343065), (1530, 320194), (1785, 274452), (2142, 228710), (2380, 205839), (3060, 160097), (3570, 137226), (4284, 114355), (5355, 91484), (7140, 68613), (10710, 45742), (21420, 22871)]