49472920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 128462400

約数和(自身を除く): 78989480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 1621, 2180, 3052, 3242, 3815, 4360, 6104, 6484, 7630, 8105, 11347, 12968, 15260, 16210, 22694, 30520, 32420, 45388, 56735, 64840, 90776, 113470, 176689, 226940, 353378, 453880, 706756, 883445, 1236823, 1413512, 1766890, 2473646, 3533780, 4947292, 6184115, 7067560, 9894584, 12368230, 24736460, 49472920]

約数ペア:

[(1, 49472920), (2, 24736460), (4, 12368230), (5, 9894584), (7, 7067560), (8, 6184115), (10, 4947292), (14, 3533780), (20, 2473646), (28, 1766890), (35, 1413512), (40, 1236823), (56, 883445), (70, 706756), (109, 453880), (140, 353378), (218, 226940), (280, 176689), (436, 113470), (545, 90776), (763, 64840), (872, 56735), (1090, 45388), (1526, 32420), (1621, 30520), (2180, 22694), (3052, 16210), (3242, 15260), (3815, 12968), (4360, 11347), (6104, 8105), (6484, 7630)]