489019860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{388111}}^1$

素因数の和:388133

約数の個数: 72

約数和(自身を含む): 1695273216

約数和(自身を除く): 1206253356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 388111, 776222, 1164333, 1552444, 1940555, 2328666, 2716777, 3492999, 3881110, 4657332, 5433554, 5821665, 6985998, 7762220, 8150331, 10867108, 11643330, 13583885, 13971996, 16300662, 17464995, 23286660, 24450993, 27167770, 32601324, 34929990, 40751655, 48901986, 54335540, 69859980, 81503310, 97803972, 122254965, 163006620, 244509930, 489019860]

約数ペア:

[(1, 489019860), (2, 244509930), (3, 163006620), (4, 122254965), (5, 97803972), (6, 81503310), (7, 69859980), (9, 54335540), (10, 48901986), (12, 40751655), (14, 34929990), (15, 32601324), (18, 27167770), (20, 24450993), (21, 23286660), (28, 17464995), (30, 16300662), (35, 13971996), (36, 13583885), (42, 11643330), (45, 10867108), (60, 8150331), (63, 7762220), (70, 6985998), (84, 5821665), (90, 5433554), (105, 4657332), (126, 3881110), (140, 3492999), (180, 2716777), (210, 2328666), (252, 1940555), (315, 1552444), (420, 1164333), (630, 776222), (1260, 388111)]