90186388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 172448640

約数和(自身を除く): 82262252

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 103, 164, 206, 281, 412, 562, 779, 1124, 1558, 1957, 3116, 3914, 4223, 5339, 7828, 8446, 10678, 11521, 16892, 21356, 23042, 28943, 46084, 57886, 80237, 115772, 160474, 218899, 320948, 437798, 549917, 875596, 1099834, 1186663, 2199668, 2373326, 4746652, 22546597, 45093194, 90186388]

約数ペア:

[(1, 90186388), (2, 45093194), (4, 22546597), (19, 4746652), (38, 2373326), (41, 2199668), (76, 1186663), (82, 1099834), (103, 875596), (164, 549917), (206, 437798), (281, 320948), (412, 218899), (562, 160474), (779, 115772), (1124, 80237), (1558, 57886), (1957, 46084), (3116, 28943), (3914, 23042), (4223, 21356), (5339, 16892), (7828, 11521), (8446, 10678)]