15616220

素因数分解:

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

素因数の和:542

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18857380

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 449, 470, 740, 898, 940, 1739, 1796, 2245, 3478, 4490, 6956, 8695, 8980, 16613, 17390, 21103, 33226, 34780, 42206, 66452, 83065, 84412, 105515, 166130, 211030, 332260, 422060, 780811, 1561622, 3123244, 3904055, 7808110, 15616220]

約数ペア:

[(1, 15616220), (2, 7808110), (4, 3904055), (5, 3123244), (10, 1561622), (20, 780811), (37, 422060), (47, 332260), (74, 211030), (94, 166130), (148, 105515), (185, 84412), (188, 83065), (235, 66452), (370, 42206), (449, 34780), (470, 33226), (740, 21103), (898, 17390), (940, 16613), (1739, 8980), (1796, 8695), (2245, 6956), (3478, 4490)]