1900808210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{68399}}^1$

素因数の和:68810

約数の個数: 32

約数和(自身を含む): 3920140800

約数和(自身を除く): 2019332590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 13895, 27790, 68399, 136798, 341995, 478793, 683990, 957586, 2393965, 4787930, 27154403, 54308806, 135772015, 190080821, 271544030, 380161642, 950404105, 1900808210]

約数ペア:

[(1, 1900808210), (2, 950404105), (5, 380161642), (7, 271544030), (10, 190080821), (14, 135772015), (35, 54308806), (70, 27154403), (397, 4787930), (794, 2393965), (1985, 957586), (2779, 683990), (3970, 478793), (5558, 341995), (13895, 136798), (27790, 68399)]