90340460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6389}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 218998080

約数和(自身を除く): 128657620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 6389, 7070, 12778, 14140, 25556, 31945, 44723, 63890, 89446, 127780, 178892, 223615, 447230, 645289, 894460, 1290578, 2581156, 3226445, 4517023, 6452890, 9034046, 12905780, 18068092, 22585115, 45170230, 90340460]

約数ペア:

[(1, 90340460), (2, 45170230), (4, 22585115), (5, 18068092), (7, 12905780), (10, 9034046), (14, 6452890), (20, 4517023), (28, 3226445), (35, 2581156), (70, 1290578), (101, 894460), (140, 645289), (202, 447230), (404, 223615), (505, 178892), (707, 127780), (1010, 89446), (1414, 63890), (2020, 44723), (2828, 31945), (3535, 25556), (6389, 14140), (7070, 12778)]