28805910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{599}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 79488000

約数和(自身を除く): 50682090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 229, 458, 599, 687, 1145, 1198, 1374, 1603, 1797, 2290, 2995, 3206, 3435, 3594, 4193, 4809, 5990, 6870, 8015, 8386, 8985, 9618, 12579, 16030, 17970, 20965, 24045, 25158, 41930, 48090, 62895, 125790, 137171, 274342, 411513, 685855, 823026, 960197, 1371710, 1920394, 2057565, 2880591, 4115130, 4800985, 5761182, 9601970, 14402955, 28805910]

約数ペア:

[(1, 28805910), (2, 14402955), (3, 9601970), (5, 5761182), (6, 4800985), (7, 4115130), (10, 2880591), (14, 2057565), (15, 1920394), (21, 1371710), (30, 960197), (35, 823026), (42, 685855), (70, 411513), (105, 274342), (210, 137171), (229, 125790), (458, 62895), (599, 48090), (687, 41930), (1145, 25158), (1198, 24045), (1374, 20965), (1603, 17970), (1797, 16030), (2290, 12579), (2995, 9618), (3206, 8985), (3435, 8386), (3594, 8015), (4193, 6870), (4809, 5990)]