427808220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{145513}}^1$

素因数の和:145539

約数の個数: 72

約数和(自身を含む): 1393442064

約数和(自身を除く): 965633844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 145513, 291026, 436539, 582052, 727565, 873078, 1018591, 1455130, 1746156, 2037182, 2182695, 2910260, 3055773, 4074364, 4365390, 5092955, 6111546, 7130137, 8730780, 10185910, 12223092, 14260274, 15278865, 20371820, 21390411, 28520548, 30557730, 35650685, 42780822, 61115460, 71301370, 85561644, 106952055, 142602740, 213904110, 427808220]

約数ペア:

[(1, 427808220), (2, 213904110), (3, 142602740), (4, 106952055), (5, 85561644), (6, 71301370), (7, 61115460), (10, 42780822), (12, 35650685), (14, 30557730), (15, 28520548), (20, 21390411), (21, 20371820), (28, 15278865), (30, 14260274), (35, 12223092), (42, 10185910), (49, 8730780), (60, 7130137), (70, 6111546), (84, 5092955), (98, 4365390), (105, 4074364), (140, 3055773), (147, 2910260), (196, 2182695), (210, 2037182), (245, 1746156), (294, 1455130), (420, 1018591), (490, 873078), (588, 727565), (735, 582052), (980, 436539), (1470, 291026), (2940, 145513)]