220945900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 108

約数和(自身を含む): 566896008

約数和(自身を除く): 345950108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 67, 70, 98, 100, 134, 140, 175, 196, 245, 268, 335, 350, 469, 490, 670, 673, 700, 938, 980, 1225, 1340, 1346, 1675, 1876, 2345, 2450, 2692, 3283, 3350, 3365, 4690, 4711, 4900, 6566, 6700, 6730, 9380, 9422, 11725, 13132, 13460, 16415, 16825, 18844, 23450, 23555, 32830, 32977, 33650, 45091, 46900, 47110, 65660, 65954, 67300, 82075, 90182, 94220, 117775, 131908, 164150, 164885, 180364, 225455, 235550, 315637, 328300, 329770, 450910, 471100, 631274, 659540, 824425, 901820, 1127275, 1262548, 1578185, 1648850, 2209459, 2254550, 3156370, 3297700, 4418918, 4509100, 6312740, 7890925, 8837836, 11047295, 15781850, 22094590, 31563700, 44189180, 55236475, 110472950, 220945900]

約数ペア:

[(1, 220945900), (2, 110472950), (4, 55236475), (5, 44189180), (7, 31563700), (10, 22094590), (14, 15781850), (20, 11047295), (25, 8837836), (28, 7890925), (35, 6312740), (49, 4509100), (50, 4418918), (67, 3297700), (70, 3156370), (98, 2254550), (100, 2209459), (134, 1648850), (140, 1578185), (175, 1262548), (196, 1127275), (245, 901820), (268, 824425), (335, 659540), (350, 631274), (469, 471100), (490, 450910), (670, 329770), (673, 328300), (700, 315637), (938, 235550), (980, 225455), (1225, 180364), (1340, 164885), (1346, 164150), (1675, 131908), (1876, 117775), (2345, 94220), (2450, 90182), (2692, 82075), (3283, 67300), (3350, 65954), (3365, 65660), (4690, 47110), (4711, 46900), (4900, 45091), (6566, 33650), (6700, 32977), (6730, 32830), (9380, 23555), (9422, 23450), (11725, 18844), (13132, 16825), (13460, 16415)]