2016387940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{236111}}^1$

素因数の和:236188

約数の個数: 48

約数和(自身を含む): 4918685184

約数和(自身を除く): 2902297244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 236111, 472222, 944444, 1180555, 1652777, 2361110, 3305554, 4722220, 6611108, 8263885, 14402771, 16527770, 28805542, 33055540, 57611084, 72013855, 100819397, 144027710, 201638794, 288055420, 403277588, 504096985, 1008193970, 2016387940]

約数ペア:

[(1, 2016387940), (2, 1008193970), (4, 504096985), (5, 403277588), (7, 288055420), (10, 201638794), (14, 144027710), (20, 100819397), (28, 72013855), (35, 57611084), (61, 33055540), (70, 28805542), (122, 16527770), (140, 14402771), (244, 8263885), (305, 6611108), (427, 4722220), (610, 3305554), (854, 2361110), (1220, 1652777), (1708, 1180555), (2135, 944444), (4270, 472222), (8540, 236111)]