156799864025

素因数分解:

$5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{673}}^1\times {\mathrm{2137}}^1$

素因数の和:2923

約数の個数: 72

約数和(自身を含む): 229164138360

約数和(自身を除く): 72364274335

約数列:

[1, 5, 7, 25, 35, 49, 89, 175, 245, 445, 623, 673, 1225, 2137, 2225, 3115, 3365, 4361, 4711, 10685, 14959, 15575, 16825, 21805, 23555, 32977, 53425, 59897, 74795, 104713, 109025, 117775, 164885, 190193, 299485, 373975, 419279, 523565, 824425, 950965, 1331351, 1438201, 1497425, 2096395, 2617825, 2934953, 4754825, 6656755, 7191005, 9319457, 10067407, 10481975, 14674765, 33283775, 35955025, 46597285, 50337035, 70471849, 73373825, 127999889, 232986425, 251685175, 352359245, 639999445, 895999223, 1761796225, 3199997225, 4479996115, 6271994561, 22399980575, 31359972805, 156799864025]

約数ペア:

[(1, 156799864025), (5, 31359972805), (7, 22399980575), (25, 6271994561), (35, 4479996115), (49, 3199997225), (89, 1761796225), (175, 895999223), (245, 639999445), (445, 352359245), (623, 251685175), (673, 232986425), (1225, 127999889), (2137, 73373825), (2225, 70471849), (3115, 50337035), (3365, 46597285), (4361, 35955025), (4711, 33283775), (10685, 14674765), (14959, 10481975), (15575, 10067407), (16825, 9319457), (21805, 7191005), (23555, 6656755), (32977, 4754825), (53425, 2934953), (59897, 2617825), (74795, 2096395), (104713, 1497425), (109025, 1438201), (117775, 1331351), (164885, 950965), (190193, 824425), (299485, 523565), (373975, 419279)]