214920440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4889}}^1$

素因数の和:5064

約数の個数: 64

約数和(自身を含む): 556286400

約数和(自身を除く): 341365960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 4889, 5495, 6280, 8792, 9778, 10990, 19556, 21980, 24445, 34223, 39112, 43960, 48890, 68446, 97780, 136892, 171115, 195560, 273784, 342230, 684460, 767573, 1368920, 1535146, 3070292, 3837865, 5373011, 6140584, 7675730, 10746022, 15351460, 21492044, 26865055, 30702920, 42984088, 53730110, 107460220, 214920440]

約数ペア:

[(1, 214920440), (2, 107460220), (4, 53730110), (5, 42984088), (7, 30702920), (8, 26865055), (10, 21492044), (14, 15351460), (20, 10746022), (28, 7675730), (35, 6140584), (40, 5373011), (56, 3837865), (70, 3070292), (140, 1535146), (157, 1368920), (280, 767573), (314, 684460), (628, 342230), (785, 273784), (1099, 195560), (1256, 171115), (1570, 136892), (2198, 97780), (3140, 68446), (4396, 48890), (4889, 43960), (5495, 39112), (6280, 34223), (8792, 24445), (9778, 21980), (10990, 19556)]