2018718140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{53377}}^1$

素因数の和:53478

約数の個数: 48

約数和(自身を含む): 4447881984

約数和(自身を除く): 2429163844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 53377, 106754, 213508, 266885, 533770, 1067540, 1654687, 3255997, 3309374, 6511994, 6618748, 8273435, 13023988, 16279985, 16546870, 32559970, 33093740, 65119940, 100935907, 201871814, 403743628, 504679535, 1009359070, 2018718140]

約数ペア:

[(1, 2018718140), (2, 1009359070), (4, 504679535), (5, 403743628), (10, 201871814), (20, 100935907), (31, 65119940), (61, 33093740), (62, 32559970), (122, 16546870), (124, 16279985), (155, 13023988), (244, 8273435), (305, 6618748), (310, 6511994), (610, 3309374), (620, 3255997), (1220, 1654687), (1891, 1067540), (3782, 533770), (7564, 266885), (9455, 213508), (18910, 106754), (37820, 53377)]