31232440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 42639560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 449, 470, 740, 898, 940, 1480, 1739, 1796, 1880, 2245, 3478, 3592, 4490, 6956, 8695, 8980, 13912, 16613, 17390, 17960, 21103, 33226, 34780, 42206, 66452, 69560, 83065, 84412, 105515, 132904, 166130, 168824, 211030, 332260, 422060, 664520, 780811, 844120, 1561622, 3123244, 3904055, 6246488, 7808110, 15616220, 31232440]

約数ペア:

[(1, 31232440), (2, 15616220), (4, 7808110), (5, 6246488), (8, 3904055), (10, 3123244), (20, 1561622), (37, 844120), (40, 780811), (47, 664520), (74, 422060), (94, 332260), (148, 211030), (185, 168824), (188, 166130), (235, 132904), (296, 105515), (370, 84412), (376, 83065), (449, 69560), (470, 66452), (740, 42206), (898, 34780), (940, 33226), (1480, 21103), (1739, 17960), (1796, 17390), (1880, 16613), (2245, 13912), (3478, 8980), (3592, 8695), (4490, 6956)]