3936940

素因数分解:

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

素因数の和:538

約数の個数: 48

約数和(自身を含む): 9624384

約数和(自身を除く): 5687444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 461, 610, 854, 922, 1220, 1708, 1844, 2135, 2305, 3227, 4270, 4610, 6454, 8540, 9220, 12908, 16135, 28121, 32270, 56242, 64540, 112484, 140605, 196847, 281210, 393694, 562420, 787388, 984235, 1968470, 3936940]

約数ペア:

[(1, 3936940), (2, 1968470), (4, 984235), (5, 787388), (7, 562420), (10, 393694), (14, 281210), (20, 196847), (28, 140605), (35, 112484), (61, 64540), (70, 56242), (122, 32270), (140, 28121), (244, 16135), (305, 12908), (427, 9220), (461, 8540), (610, 6454), (854, 4610), (922, 4270), (1220, 3227), (1708, 2305), (1844, 2135)]