78581150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 155042160

約数和(自身を除く): 76461010

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 181, 190, 362, 457, 475, 905, 914, 950, 1810, 2285, 3439, 4525, 4570, 6878, 8683, 9050, 11425, 17195, 17366, 22850, 34390, 43415, 82717, 85975, 86830, 165434, 171950, 217075, 413585, 434150, 827170, 1571623, 2067925, 3143246, 4135850, 7858115, 15716230, 39290575, 78581150]

約数ペア:

[(1, 78581150), (2, 39290575), (5, 15716230), (10, 7858115), (19, 4135850), (25, 3143246), (38, 2067925), (50, 1571623), (95, 827170), (181, 434150), (190, 413585), (362, 217075), (457, 171950), (475, 165434), (905, 86830), (914, 85975), (950, 82717), (1810, 43415), (2285, 34390), (3439, 22850), (4525, 17366), (4570, 17195), (6878, 11425), (8683, 9050)]