27558580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 68573736

約数和(自身を除く): 41015156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 461, 490, 610, 854, 922, 980, 1220, 1708, 1844, 2135, 2305, 2989, 3227, 4270, 4610, 5978, 6454, 8540, 9220, 11956, 12908, 14945, 16135, 22589, 28121, 29890, 32270, 45178, 56242, 59780, 64540, 90356, 112484, 112945, 140605, 196847, 225890, 281210, 393694, 451780, 562420, 787388, 984235, 1377929, 1968470, 2755858, 3936940, 5511716, 6889645, 13779290, 27558580]

約数ペア:

[(1, 27558580), (2, 13779290), (4, 6889645), (5, 5511716), (7, 3936940), (10, 2755858), (14, 1968470), (20, 1377929), (28, 984235), (35, 787388), (49, 562420), (61, 451780), (70, 393694), (98, 281210), (122, 225890), (140, 196847), (196, 140605), (244, 112945), (245, 112484), (305, 90356), (427, 64540), (461, 59780), (490, 56242), (610, 45178), (854, 32270), (922, 29890), (980, 28121), (1220, 22589), (1708, 16135), (1844, 14945), (2135, 12908), (2305, 11956), (2989, 9220), (3227, 8540), (4270, 6454), (4610, 5978)]