160995740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{983}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 357073920

約数和(自身を除く): 196078180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 431, 862, 983, 1724, 1966, 2155, 3932, 4310, 4915, 8189, 8620, 9830, 16378, 18677, 19660, 32756, 37354, 40945, 74708, 81890, 93385, 163780, 186770, 373540, 423673, 847346, 1694692, 2118365, 4236730, 8049787, 8473460, 16099574, 32199148, 40248935, 80497870, 160995740]

約数ペア:

[(1, 160995740), (2, 80497870), (4, 40248935), (5, 32199148), (10, 16099574), (19, 8473460), (20, 8049787), (38, 4236730), (76, 2118365), (95, 1694692), (190, 847346), (380, 423673), (431, 373540), (862, 186770), (983, 163780), (1724, 93385), (1966, 81890), (2155, 74708), (3932, 40945), (4310, 37354), (4915, 32756), (8189, 19660), (8620, 18677), (9830, 16378)]