221431840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1170

約数の個数: 96

約数和(自身を含む): 601340544

約数和(自身を除く): 379908704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 211, 224, 280, 422, 560, 844, 937, 1055, 1120, 1477, 1688, 1874, 2110, 2954, 3376, 3748, 4220, 4685, 5908, 6559, 6752, 7385, 7496, 8440, 9370, 11816, 13118, 14770, 14992, 16880, 18740, 23632, 26236, 29540, 29984, 32795, 33760, 37480, 47264, 52472, 59080, 65590, 74960, 104944, 118160, 131180, 149920, 197707, 209888, 236320, 262360, 395414, 524720, 790828, 988535, 1049440, 1383949, 1581656, 1977070, 2767898, 3163312, 3954140, 5535796, 6326624, 6919745, 7908280, 11071592, 13839490, 15816560, 22143184, 27678980, 31633120, 44286368, 55357960, 110715920, 221431840]

約数ペア:

[(1, 221431840), (2, 110715920), (4, 55357960), (5, 44286368), (7, 31633120), (8, 27678980), (10, 22143184), (14, 15816560), (16, 13839490), (20, 11071592), (28, 7908280), (32, 6919745), (35, 6326624), (40, 5535796), (56, 3954140), (70, 3163312), (80, 2767898), (112, 1977070), (140, 1581656), (160, 1383949), (211, 1049440), (224, 988535), (280, 790828), (422, 524720), (560, 395414), (844, 262360), (937, 236320), (1055, 209888), (1120, 197707), (1477, 149920), (1688, 131180), (1874, 118160), (2110, 104944), (2954, 74960), (3376, 65590), (3748, 59080), (4220, 52472), (4685, 47264), (5908, 37480), (6559, 33760), (6752, 32795), (7385, 29984), (7496, 29540), (8440, 26236), (9370, 23632), (11816, 18740), (13118, 16880), (14770, 14992)]