260573980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 606735360

約数和(自身を除く): 346161380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 43, 74, 76, 86, 95, 148, 172, 185, 190, 215, 370, 380, 430, 431, 703, 740, 817, 860, 862, 1406, 1591, 1634, 1724, 2155, 2812, 3182, 3268, 3515, 4085, 4310, 6364, 7030, 7955, 8170, 8189, 8620, 14060, 15910, 15947, 16340, 16378, 18533, 30229, 31820, 31894, 32756, 37066, 40945, 60458, 63788, 74132, 79735, 81890, 92665, 120916, 151145, 159470, 163780, 185330, 302290, 302993, 318940, 352127, 370660, 604580, 605986, 685721, 704254, 1211972, 1371442, 1408508, 1514965, 1760635, 2742884, 3029930, 3428605, 3521270, 6059860, 6857210, 7042540, 13028699, 13714420, 26057398, 52114796, 65143495, 130286990, 260573980]

約数ペア:

[(1, 260573980), (2, 130286990), (4, 65143495), (5, 52114796), (10, 26057398), (19, 13714420), (20, 13028699), (37, 7042540), (38, 6857210), (43, 6059860), (74, 3521270), (76, 3428605), (86, 3029930), (95, 2742884), (148, 1760635), (172, 1514965), (185, 1408508), (190, 1371442), (215, 1211972), (370, 704254), (380, 685721), (430, 605986), (431, 604580), (703, 370660), (740, 352127), (817, 318940), (860, 302993), (862, 302290), (1406, 185330), (1591, 163780), (1634, 159470), (1724, 151145), (2155, 120916), (2812, 92665), (3182, 81890), (3268, 79735), (3515, 74132), (4085, 63788), (4310, 60458), (6364, 40945), (7030, 37066), (7955, 32756), (8170, 31894), (8189, 31820), (8620, 30229), (14060, 18533), (15910, 16378), (15947, 16340)]