212341720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{279397}}^1$

素因数の和:279427

約数の個数: 32

約数和(自身を含む): 502916400

約数和(自身を除く): 290574680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 279397, 558794, 1117588, 1396985, 2235176, 2793970, 5308543, 5587940, 10617086, 11175880, 21234172, 26542715, 42468344, 53085430, 106170860, 212341720]

約数ペア:

[(1, 212341720), (2, 106170860), (4, 53085430), (5, 42468344), (8, 26542715), (10, 21234172), (19, 11175880), (20, 10617086), (38, 5587940), (40, 5308543), (76, 2793970), (95, 2235176), (152, 1396985), (190, 1117588), (380, 558794), (760, 279397)]