200421770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9791}}^1$

素因数の和:9910

約数の個数: 32

約数和(自身を含む): 380712960

約数和(自身を除く): 180291190

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 9791, 10235, 19582, 20470, 48955, 97910, 225193, 450386, 871399, 1125965, 1742798, 2251930, 4356995, 8713990, 20042177, 40084354, 100210885, 200421770]

約数ペア:

[(1, 200421770), (2, 100210885), (5, 40084354), (10, 20042177), (23, 8713990), (46, 4356995), (89, 2251930), (115, 1742798), (178, 1125965), (230, 871399), (445, 450386), (890, 225193), (2047, 97910), (4094, 48955), (9791, 20470), (10235, 19582)]