219881870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89021}}^1$

素因数の和:89060

約数の個数: 32

約数和(自身を含む): 448670880

約数和(自身を除く): 228789010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 89021, 178042, 445105, 890210, 1157273, 1691399, 2314546, 3382798, 5786365, 8456995, 11572730, 16913990, 21988187, 43976374, 109940935, 219881870]

約数ペア:

[(1, 219881870), (2, 109940935), (5, 43976374), (10, 21988187), (13, 16913990), (19, 11572730), (26, 8456995), (38, 5786365), (65, 3382798), (95, 2314546), (130, 1691399), (190, 1157273), (247, 890210), (494, 445105), (1235, 178042), (2470, 89021)]