78712900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4933

約数の個数: 72

約数和(自身を含む): 203736960

約数和(自身を除く): 125024060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 4889, 8050, 9778, 16100, 19556, 24445, 34223, 48890, 68446, 97780, 112447, 122225, 136892, 171115, 224894, 244450, 342230, 449788, 488900, 562235, 684460, 787129, 855575, 1124470, 1574258, 1711150, 2248940, 2811175, 3148516, 3422300, 3935645, 5622350, 7871290, 11244700, 15742580, 19678225, 39356450, 78712900]

約数ペア:

[(1, 78712900), (2, 39356450), (4, 19678225), (5, 15742580), (7, 11244700), (10, 7871290), (14, 5622350), (20, 3935645), (23, 3422300), (25, 3148516), (28, 2811175), (35, 2248940), (46, 1711150), (50, 1574258), (70, 1124470), (92, 855575), (100, 787129), (115, 684460), (140, 562235), (161, 488900), (175, 449788), (230, 342230), (322, 244450), (350, 224894), (460, 171115), (575, 136892), (644, 122225), (700, 112447), (805, 97780), (1150, 68446), (1610, 48890), (2300, 34223), (3220, 24445), (4025, 19556), (4889, 16100), (8050, 9778)]