122439700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 274982400

約数和(自身を除く): 152542700

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 109, 188, 218, 235, 239, 436, 470, 478, 545, 940, 956, 1090, 1175, 1195, 2180, 2350, 2390, 2725, 4700, 4780, 5123, 5450, 5975, 10246, 10900, 11233, 11950, 20492, 22466, 23900, 25615, 26051, 44932, 51230, 52102, 56165, 102460, 104204, 112330, 128075, 130255, 224660, 256150, 260510, 280825, 512300, 521020, 561650, 651275, 1123300, 1224397, 1302550, 2448794, 2605100, 4897588, 6121985, 12243970, 24487940, 30609925, 61219850, 122439700]

約数ペア:

[(1, 122439700), (2, 61219850), (4, 30609925), (5, 24487940), (10, 12243970), (20, 6121985), (25, 4897588), (47, 2605100), (50, 2448794), (94, 1302550), (100, 1224397), (109, 1123300), (188, 651275), (218, 561650), (235, 521020), (239, 512300), (436, 280825), (470, 260510), (478, 256150), (545, 224660), (940, 130255), (956, 128075), (1090, 112330), (1175, 104204), (1195, 102460), (2180, 56165), (2350, 52102), (2390, 51230), (2725, 44932), (4700, 26051), (4780, 25615), (5123, 23900), (5450, 22466), (5975, 20492), (10246, 11950), (10900, 11233)]