220778110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20089}}^1$

素因数の和:20260

約数の個数: 32

約数和(自身を含む): 457087680

約数和(自身を除く): 236309570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 20089, 40178, 100445, 140623, 200890, 281246, 703115, 1406230, 3153973, 6307946, 15769865, 22077811, 31539730, 44155622, 110389055, 220778110]

約数ペア:

[(1, 220778110), (2, 110389055), (5, 44155622), (7, 31539730), (10, 22077811), (14, 15769865), (35, 6307946), (70, 3153973), (157, 1406230), (314, 703115), (785, 281246), (1099, 200890), (1570, 140623), (2198, 100445), (5495, 40178), (10990, 20089)]