201909820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{46523}}^1$

素因数の和:46570

約数の個数: 48

約数和(自身を含む): 500226048

約数和(自身を除く): 298316228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 46523, 93046, 186092, 232615, 325661, 465230, 651322, 930460, 1302644, 1442213, 1628305, 2884426, 3256610, 5768852, 6513220, 7211065, 10095491, 14422130, 20190982, 28844260, 40381964, 50477455, 100954910, 201909820]

約数ペア:

[(1, 201909820), (2, 100954910), (4, 50477455), (5, 40381964), (7, 28844260), (10, 20190982), (14, 14422130), (20, 10095491), (28, 7211065), (31, 6513220), (35, 5768852), (62, 3256610), (70, 2884426), (124, 1628305), (140, 1442213), (155, 1302644), (217, 930460), (310, 651322), (434, 465230), (620, 325661), (868, 232615), (1085, 186092), (2170, 93046), (4340, 46523)]