513736340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4969

約数の個数: 72

約数和(自身を含む): 1206148608

約数和(自身を除く): 692412268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 3380, 4030, 4903, 5239, 8060, 9806, 10478, 19612, 20956, 24515, 26195, 49030, 52390, 63739, 98060, 104780, 127478, 151993, 254956, 303986, 318695, 607972, 637390, 759965, 828607, 1274780, 1519930, 1657214, 1975909, 3039860, 3314428, 3951818, 4143035, 7903636, 8286070, 9879545, 16572140, 19759090, 25686817, 39518180, 51373634, 102747268, 128434085, 256868170, 513736340]

約数ペア:

[(1, 513736340), (2, 256868170), (4, 128434085), (5, 102747268), (10, 51373634), (13, 39518180), (20, 25686817), (26, 19759090), (31, 16572140), (52, 9879545), (62, 8286070), (65, 7903636), (124, 4143035), (130, 3951818), (155, 3314428), (169, 3039860), (260, 1975909), (310, 1657214), (338, 1519930), (403, 1274780), (620, 828607), (676, 759965), (806, 637390), (845, 607972), (1612, 318695), (1690, 303986), (2015, 254956), (3380, 151993), (4030, 127478), (4903, 104780), (5239, 98060), (8060, 63739), (9806, 52390), (10478, 49030), (19612, 26195), (20956, 24515)]