127981420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5107}}^1$

素因数の和:5302

約数の個数: 48

約数和(自身を含む): 308931840

約数和(自身を除く): 180950420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 5107, 6265, 10214, 12530, 20428, 25060, 25535, 35749, 51070, 71498, 102140, 142996, 178745, 357490, 714980, 914153, 1828306, 3656612, 4570765, 6399071, 9141530, 12798142, 18283060, 25596284, 31995355, 63990710, 127981420]

約数ペア:

[(1, 127981420), (2, 63990710), (4, 31995355), (5, 25596284), (7, 18283060), (10, 12798142), (14, 9141530), (20, 6399071), (28, 4570765), (35, 3656612), (70, 1828306), (140, 914153), (179, 714980), (358, 357490), (716, 178745), (895, 142996), (1253, 102140), (1790, 71498), (2506, 51070), (3580, 35749), (5012, 25535), (5107, 25060), (6265, 20428), (10214, 12530)]