211343080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21434

約数の個数: 64

約数和(自身を含む): 539078400

約数和(自身を除く): 327735320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 21391, 42782, 85564, 106955, 171128, 213910, 278083, 406429, 427820, 556166, 812858, 855640, 1112332, 1390415, 1625716, 2032145, 2224664, 2780830, 3251432, 4064290, 5283577, 5561660, 8128580, 10567154, 11123320, 16257160, 21134308, 26417885, 42268616, 52835770, 105671540, 211343080]

約数ペア:

[(1, 211343080), (2, 105671540), (4, 52835770), (5, 42268616), (8, 26417885), (10, 21134308), (13, 16257160), (19, 11123320), (20, 10567154), (26, 8128580), (38, 5561660), (40, 5283577), (52, 4064290), (65, 3251432), (76, 2780830), (95, 2224664), (104, 2032145), (130, 1625716), (152, 1390415), (190, 1112332), (247, 855640), (260, 812858), (380, 556166), (494, 427820), (520, 406429), (760, 278083), (988, 213910), (1235, 171128), (1976, 106955), (2470, 85564), (4940, 42782), (9880, 21391)]