239995384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 492307200

約数和(自身を除く): 252311816

約数列:

[1, 2, 4, 8, 19, 38, 43, 73, 76, 86, 146, 152, 172, 292, 344, 503, 584, 817, 1006, 1387, 1634, 2012, 2774, 3139, 3268, 4024, 5548, 6278, 6536, 9557, 11096, 12556, 19114, 21629, 25112, 36719, 38228, 43258, 59641, 73438, 76456, 86516, 119282, 146876, 173032, 238564, 293752, 410951, 477128, 697661, 821902, 1395322, 1578917, 1643804, 2790644, 3157834, 3287608, 5581288, 6315668, 12631336, 29999423, 59998846, 119997692, 239995384]

約数ペア:

[(1, 239995384), (2, 119997692), (4, 59998846), (8, 29999423), (19, 12631336), (38, 6315668), (43, 5581288), (73, 3287608), (76, 3157834), (86, 2790644), (146, 1643804), (152, 1578917), (172, 1395322), (292, 821902), (344, 697661), (503, 477128), (584, 410951), (817, 293752), (1006, 238564), (1387, 173032), (1634, 146876), (2012, 119282), (2774, 86516), (3139, 76456), (3268, 73438), (4024, 59641), (5548, 43258), (6278, 38228), (6536, 36719), (9557, 25112), (11096, 21629), (12556, 19114)]