1664539940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{194911}}^1$

素因数の和:194988

約数の個数: 48

約数和(自身を含む): 4060406784

約数和(自身を除く): 2395866844

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, 194911, 389822, 779644, 974555, 1364377, 1949110, 2728754, 3898220, 5457508, 6821885, 11889571, 13643770, 23779142, 27287540, 47558284, 59447855, 83226997, 118895710, 166453994, 237791420, 332907988, 416134985, 832269970, 1664539940]

約数ペア:

[(1, 1664539940), (2, 832269970), (4, 416134985), (5, 332907988), (7, 237791420), (10, 166453994), (14, 118895710), (20, 83226997), (28, 59447855), (35, 47558284), (61, 27287540), (70, 23779142), (122, 13643770), (140, 11889571), (244, 6821885), (305, 5457508), (427, 3898220), (610, 2728754), (854, 1949110), (1220, 1364377), (1708, 974555), (2135, 779644), (4270, 389822), (8540, 194911)]