209236480

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 526431708

約数和(自身を除く): 317195228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 64, 74, 80, 94, 128, 148, 160, 185, 188, 235, 256, 296, 320, 370, 376, 470, 512, 592, 640, 740, 752, 940, 1184, 1280, 1480, 1504, 1739, 1880, 2209, 2368, 2560, 2960, 3008, 3478, 3760, 4418, 4736, 5920, 6016, 6956, 7520, 8695, 8836, 9472, 11045, 11840, 12032, 13912, 15040, 17390, 17672, 18944, 22090, 23680, 24064, 27824, 30080, 34780, 35344, 44180, 47360, 55648, 60160, 69560, 70688, 81733, 88360, 94720, 111296, 120320, 139120, 141376, 163466, 176720, 222592, 278240, 282752, 326932, 353440, 408665, 445184, 556480, 565504, 653864, 706880, 817330, 890368, 1112960, 1131008, 1307728, 1413760, 1634660, 2225920, 2615456, 2827520, 3269320, 4451840, 5230912, 5655040, 6538640, 10461824, 13077280, 20923648, 26154560, 41847296, 52309120, 104618240, 209236480]

約数ペア:

[(1, 209236480), (2, 104618240), (4, 52309120), (5, 41847296), (8, 26154560), (10, 20923648), (16, 13077280), (20, 10461824), (32, 6538640), (37, 5655040), (40, 5230912), (47, 4451840), (64, 3269320), (74, 2827520), (80, 2615456), (94, 2225920), (128, 1634660), (148, 1413760), (160, 1307728), (185, 1131008), (188, 1112960), (235, 890368), (256, 817330), (296, 706880), (320, 653864), (370, 565504), (376, 556480), (470, 445184), (512, 408665), (592, 353440), (640, 326932), (740, 282752), (752, 278240), (940, 222592), (1184, 176720), (1280, 163466), (1480, 141376), (1504, 139120), (1739, 120320), (1880, 111296), (2209, 94720), (2368, 88360), (2560, 81733), (2960, 70688), (3008, 69560), (3478, 60160), (3760, 55648), (4418, 47360), (4736, 44180), (5920, 35344), (6016, 34780), (6956, 30080), (7520, 27824), (8695, 24064), (8836, 23680), (9472, 22090), (11045, 18944), (11840, 17672), (12032, 17390), (13912, 15040)]