220767560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{929}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 536684400

約数和(自身を除く): 315916840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 914, 929, 1828, 1858, 2285, 3656, 3716, 4570, 4645, 5941, 7432, 9140, 9290, 11882, 12077, 18280, 18580, 23764, 24154, 29705, 37160, 47528, 48308, 59410, 60385, 96616, 118820, 120770, 237640, 241540, 424553, 483080, 849106, 1698212, 2122765, 3396424, 4245530, 5519189, 8491060, 11038378, 16982120, 22076756, 27595945, 44153512, 55191890, 110383780, 220767560]

約数ペア:

[(1, 220767560), (2, 110383780), (4, 55191890), (5, 44153512), (8, 27595945), (10, 22076756), (13, 16982120), (20, 11038378), (26, 8491060), (40, 5519189), (52, 4245530), (65, 3396424), (104, 2122765), (130, 1698212), (260, 849106), (457, 483080), (520, 424553), (914, 241540), (929, 237640), (1828, 120770), (1858, 118820), (2285, 96616), (3656, 60385), (3716, 59410), (4570, 48308), (4645, 47528), (5941, 37160), (7432, 29705), (9140, 24154), (9290, 23764), (11882, 18580), (12077, 18280)]