85558700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 194310480

約数和(自身を除く): 108751780

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 163, 181, 290, 326, 362, 580, 652, 724, 725, 815, 905, 1450, 1630, 1810, 2900, 3260, 3620, 4075, 4525, 4727, 5249, 8150, 9050, 9454, 10498, 16300, 18100, 18908, 20996, 23635, 26245, 29503, 47270, 52490, 59006, 94540, 104980, 118012, 118175, 131225, 147515, 236350, 262450, 295030, 472700, 524900, 590060, 737575, 855587, 1475150, 1711174, 2950300, 3422348, 4277935, 8555870, 17111740, 21389675, 42779350, 85558700]

約数ペア:

[(1, 85558700), (2, 42779350), (4, 21389675), (5, 17111740), (10, 8555870), (20, 4277935), (25, 3422348), (29, 2950300), (50, 1711174), (58, 1475150), (100, 855587), (116, 737575), (145, 590060), (163, 524900), (181, 472700), (290, 295030), (326, 262450), (362, 236350), (580, 147515), (652, 131225), (724, 118175), (725, 118012), (815, 104980), (905, 94540), (1450, 59006), (1630, 52490), (1810, 47270), (2900, 29503), (3260, 26245), (3620, 23635), (4075, 20996), (4525, 18908), (4727, 18100), (5249, 16300), (8150, 10498), (9050, 9454)]