900975740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{3319}}^1$

素因数の和:3619

約数の個数: 72

約数和(自身を含む): 2209566240

約数和(自身を除く): 1308590500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 277, 490, 554, 980, 1108, 1385, 1939, 2770, 3319, 3878, 5540, 6638, 7756, 9695, 13276, 13573, 16595, 19390, 23233, 27146, 33190, 38780, 46466, 54292, 66380, 67865, 92932, 116165, 135730, 162631, 232330, 271460, 325262, 464660, 650524, 813155, 919363, 1626310, 1838726, 3252620, 3677452, 4596815, 6435541, 9193630, 12871082, 18387260, 25742164, 32177705, 45048787, 64355410, 90097574, 128710820, 180195148, 225243935, 450487870, 900975740]

約数ペア:

[(1, 900975740), (2, 450487870), (4, 225243935), (5, 180195148), (7, 128710820), (10, 90097574), (14, 64355410), (20, 45048787), (28, 32177705), (35, 25742164), (49, 18387260), (70, 12871082), (98, 9193630), (140, 6435541), (196, 4596815), (245, 3677452), (277, 3252620), (490, 1838726), (554, 1626310), (980, 919363), (1108, 813155), (1385, 650524), (1939, 464660), (2770, 325262), (3319, 271460), (3878, 232330), (5540, 162631), (6638, 135730), (7756, 116165), (9695, 92932), (13276, 67865), (13573, 66380), (16595, 54292), (19390, 46466), (23233, 38780), (27146, 33190)]