20177292100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{19463}}^1$

素因数の和:20965

約数の個数: 72

約数和(自身を含む): 50076044928

約数和(自身を除く): 29898752828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 1481, 2962, 5924, 7405, 10367, 14810, 19463, 20734, 29620, 37025, 38926, 41468, 51835, 74050, 77852, 97315, 103670, 136241, 148100, 194630, 207340, 259175, 272482, 389260, 486575, 518350, 544964, 681205, 973150, 1036700, 1362410, 1946300, 2724820, 3406025, 6812050, 13624100, 28824703, 57649406, 115298812, 144123515, 201772921, 288247030, 403545842, 576494060, 720617575, 807091684, 1008864605, 1441235150, 2017729210, 2882470300, 4035458420, 5044323025, 10088646050, 20177292100]

約数ペア:

[(1, 20177292100), (2, 10088646050), (4, 5044323025), (5, 4035458420), (7, 2882470300), (10, 2017729210), (14, 1441235150), (20, 1008864605), (25, 807091684), (28, 720617575), (35, 576494060), (50, 403545842), (70, 288247030), (100, 201772921), (140, 144123515), (175, 115298812), (350, 57649406), (700, 28824703), (1481, 13624100), (2962, 6812050), (5924, 3406025), (7405, 2724820), (10367, 1946300), (14810, 1362410), (19463, 1036700), (20734, 973150), (29620, 681205), (37025, 544964), (38926, 518350), (41468, 486575), (51835, 389260), (74050, 272482), (77852, 259175), (97315, 207340), (103670, 194630), (136241, 148100)]