1916620420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{670147}}^1$

素因数の和:670180

約数の個数: 48

約数和(自身を含む): 4728564288

約数和(自身を除く): 2811943868

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 670147, 1340294, 2680588, 3350735, 6701470, 7371617, 8711911, 13402940, 14743234, 17423822, 29486468, 34847644, 36858085, 43559555, 73716170, 87119110, 95831021, 147432340, 174238220, 191662042, 383324084, 479155105, 958310210, 1916620420]

約数ペア:

[(1, 1916620420), (2, 958310210), (4, 479155105), (5, 383324084), (10, 191662042), (11, 174238220), (13, 147432340), (20, 95831021), (22, 87119110), (26, 73716170), (44, 43559555), (52, 36858085), (55, 34847644), (65, 29486468), (110, 17423822), (130, 14743234), (143, 13402940), (220, 8711911), (260, 7371617), (286, 6701470), (572, 3350735), (715, 2680588), (1430, 1340294), (2860, 670147)]