212555840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3061}}^1$

素因数の和:3116

約数の個数: 112

約数和(自身を含む): 597310464

約数和(自身を除く): 384754624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3061, 3472, 4340, 4960, 6122, 6944, 8680, 9920, 12244, 13888, 15305, 17360, 21427, 24488, 30610, 34720, 42854, 48976, 61220, 69440, 85708, 94891, 97952, 107135, 122440, 171416, 189782, 195904, 214270, 244880, 342832, 379564, 428540, 474455, 489760, 664237, 685664, 759128, 857080, 948910, 979520, 1328474, 1371328, 1518256, 1714160, 1897820, 2656948, 3036512, 3321185, 3428320, 3795640, 5313896, 6073024, 6642370, 6856640, 7591280, 10627792, 13284740, 15182560, 21255584, 26569480, 30365120, 42511168, 53138960, 106277920, 212555840]

約数ペア:

[(1, 212555840), (2, 106277920), (4, 53138960), (5, 42511168), (7, 30365120), (8, 26569480), (10, 21255584), (14, 15182560), (16, 13284740), (20, 10627792), (28, 7591280), (31, 6856640), (32, 6642370), (35, 6073024), (40, 5313896), (56, 3795640), (62, 3428320), (64, 3321185), (70, 3036512), (80, 2656948), (112, 1897820), (124, 1714160), (140, 1518256), (155, 1371328), (160, 1328474), (217, 979520), (224, 948910), (248, 857080), (280, 759128), (310, 685664), (320, 664237), (434, 489760), (448, 474455), (496, 428540), (560, 379564), (620, 342832), (868, 244880), (992, 214270), (1085, 195904), (1120, 189782), (1240, 171416), (1736, 122440), (1984, 107135), (2170, 97952), (2240, 94891), (2480, 85708), (3061, 69440), (3472, 61220), (4340, 48976), (4960, 42854), (6122, 34720), (6944, 30610), (8680, 24488), (9920, 21427), (12244, 17360), (13888, 15305)]