89857880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5261}}^1$

素因数の和:5340

約数の個数: 64

約数和(自身を含む): 234895680

約数和(自身を除く): 145037800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 5261, 8540, 10522, 17080, 21044, 26305, 36827, 42088, 52610, 73654, 105220, 147308, 184135, 210440, 294616, 320921, 368270, 641842, 736540, 1283684, 1473080, 1604605, 2246447, 2567368, 3209210, 4492894, 6418420, 8985788, 11232235, 12836840, 17971576, 22464470, 44928940, 89857880]

約数ペア:

[(1, 89857880), (2, 44928940), (4, 22464470), (5, 17971576), (7, 12836840), (8, 11232235), (10, 8985788), (14, 6418420), (20, 4492894), (28, 3209210), (35, 2567368), (40, 2246447), (56, 1604605), (61, 1473080), (70, 1283684), (122, 736540), (140, 641842), (244, 368270), (280, 320921), (305, 294616), (427, 210440), (488, 184135), (610, 147308), (854, 105220), (1220, 73654), (1708, 52610), (2135, 42088), (2440, 36827), (3416, 26305), (4270, 21044), (5261, 17080), (8540, 10522)]