78868100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{2729}}^1$

素因数の和:2777

約数の個数: 54

約数和(自身を含む): 181869870

約数和(自身を除く): 103001770

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2729, 2890, 5458, 5780, 7225, 10916, 13645, 14450, 27290, 28900, 46393, 54580, 68225, 92786, 136450, 185572, 231965, 272900, 463930, 788681, 927860, 1159825, 1577362, 2319650, 3154724, 3943405, 4639300, 7886810, 15773620, 19717025, 39434050, 78868100]

約数ペア:

[(1, 78868100), (2, 39434050), (4, 19717025), (5, 15773620), (10, 7886810), (17, 4639300), (20, 3943405), (25, 3154724), (34, 2319650), (50, 1577362), (68, 1159825), (85, 927860), (100, 788681), (170, 463930), (289, 272900), (340, 231965), (425, 185572), (578, 136450), (850, 92786), (1156, 68225), (1445, 54580), (1700, 46393), (2729, 28900), (2890, 27290), (5458, 14450), (5780, 13645), (7225, 10916)]