311041220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{733}}^1$

素因数の和:1189

約数の個数: 72

約数和(自身を含む): 762623064

約数和(自身を除く): 451581844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 433, 490, 733, 866, 980, 1466, 1732, 2165, 2932, 3031, 3665, 4330, 5131, 6062, 7330, 8660, 10262, 12124, 14660, 15155, 20524, 21217, 25655, 30310, 35917, 42434, 51310, 60620, 71834, 84868, 102620, 106085, 143668, 179585, 212170, 317389, 359170, 424340, 634778, 718340, 1269556, 1586945, 2221723, 3173890, 4443446, 6347780, 8886892, 11108615, 15552061, 22217230, 31104122, 44434460, 62208244, 77760305, 155520610, 311041220]

約数ペア:

[(1, 311041220), (2, 155520610), (4, 77760305), (5, 62208244), (7, 44434460), (10, 31104122), (14, 22217230), (20, 15552061), (28, 11108615), (35, 8886892), (49, 6347780), (70, 4443446), (98, 3173890), (140, 2221723), (196, 1586945), (245, 1269556), (433, 718340), (490, 634778), (733, 424340), (866, 359170), (980, 317389), (1466, 212170), (1732, 179585), (2165, 143668), (2932, 106085), (3031, 102620), (3665, 84868), (4330, 71834), (5131, 60620), (6062, 51310), (7330, 42434), (8660, 35917), (10262, 30310), (12124, 25655), (14660, 21217), (15155, 20524)]