85578220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3617}}^1$

素因数の和:3659

約数の個数: 72

約数和(自身を含む): 222463584

約数和(自身を除く): 136885364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 3617, 4732, 5915, 7234, 11830, 14468, 18085, 23660, 25319, 36170, 47021, 50638, 72340, 94042, 101276, 126595, 188084, 235105, 253190, 329147, 470210, 506380, 611273, 658294, 940420, 1222546, 1316588, 1645735, 2445092, 3056365, 3291470, 4278911, 6112730, 6582940, 8557822, 12225460, 17115644, 21394555, 42789110, 85578220]

約数ペア:

[(1, 85578220), (2, 42789110), (4, 21394555), (5, 17115644), (7, 12225460), (10, 8557822), (13, 6582940), (14, 6112730), (20, 4278911), (26, 3291470), (28, 3056365), (35, 2445092), (52, 1645735), (65, 1316588), (70, 1222546), (91, 940420), (130, 658294), (140, 611273), (169, 506380), (182, 470210), (260, 329147), (338, 253190), (364, 235105), (455, 188084), (676, 126595), (845, 101276), (910, 94042), (1183, 72340), (1690, 50638), (1820, 47021), (2366, 36170), (3380, 25319), (3617, 23660), (4732, 18085), (5915, 14468), (7234, 11830)]