201211305980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{541}}^1\times {\mathrm{947}}^1$

素因数の和:1839

約数の個数: 96

約数和(自身を含む): 431173834560

約数和(自身を除く): 229962528580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 269, 292, 365, 538, 541, 730, 947, 1076, 1082, 1345, 1460, 1894, 2164, 2690, 2705, 3788, 4735, 5380, 5410, 9470, 10820, 18940, 19637, 39274, 39493, 69131, 78548, 78986, 98185, 138262, 145529, 157972, 196370, 197465, 254743, 276524, 291058, 345655, 392740, 394930, 509486, 512327, 582116, 691310, 727645, 789860, 1018972, 1024654, 1273715, 1382620, 1455290, 2049308, 2547430, 2561635, 2910580, 5094860, 5123270, 10246540, 10623617, 18596239, 21247234, 37192478, 37399871, 42494468, 53118085, 74384956, 74799742, 92981195, 106236170, 137815963, 149599484, 185962390, 186999355, 212472340, 275631926, 371924780, 373998710, 551263852, 689079815, 747997420, 1378159630, 2756319260, 10060565299, 20121130598, 40242261196, 50302826495, 100605652990, 201211305980]

約数ペア:

[(1, 201211305980), (2, 100605652990), (4, 50302826495), (5, 40242261196), (10, 20121130598), (20, 10060565299), (73, 2756319260), (146, 1378159630), (269, 747997420), (292, 689079815), (365, 551263852), (538, 373998710), (541, 371924780), (730, 275631926), (947, 212472340), (1076, 186999355), (1082, 185962390), (1345, 149599484), (1460, 137815963), (1894, 106236170), (2164, 92981195), (2690, 74799742), (2705, 74384956), (3788, 53118085), (4735, 42494468), (5380, 37399871), (5410, 37192478), (9470, 21247234), (10820, 18596239), (18940, 10623617), (19637, 10246540), (39274, 5123270), (39493, 5094860), (69131, 2910580), (78548, 2561635), (78986, 2547430), (98185, 2049308), (138262, 1455290), (145529, 1382620), (157972, 1273715), (196370, 1024654), (197465, 1018972), (254743, 789860), (276524, 727645), (291058, 691310), (345655, 582116), (392740, 512327), (394930, 509486)]