2220651580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{52697}}^1$

素因数の和:52763

約数の個数: 72

約数和(自身を含む): 5550996528

約数和(自身を除く): 3330344948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 52697, 105394, 210788, 263485, 368879, 526970, 737758, 1053940, 1475516, 1844395, 2265971, 2582153, 3688790, 4531942, 5164306, 7377580, 9063884, 10328612, 11329855, 12910765, 15861797, 22659710, 25821530, 31723594, 45319420, 51643060, 63447188, 79308985, 111032579, 158617970, 222065158, 317235940, 444130316, 555162895, 1110325790, 2220651580]

約数ペア:

[(1, 2220651580), (2, 1110325790), (4, 555162895), (5, 444130316), (7, 317235940), (10, 222065158), (14, 158617970), (20, 111032579), (28, 79308985), (35, 63447188), (43, 51643060), (49, 45319420), (70, 31723594), (86, 25821530), (98, 22659710), (140, 15861797), (172, 12910765), (196, 11329855), (215, 10328612), (245, 9063884), (301, 7377580), (430, 5164306), (490, 4531942), (602, 3688790), (860, 2582153), (980, 2265971), (1204, 1844395), (1505, 1475516), (2107, 1053940), (3010, 737758), (4214, 526970), (6020, 368879), (8428, 263485), (10535, 210788), (21070, 105394), (42140, 52697)]