31003820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 69431040

約数和(自身を除く): 38427220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 983, 1577, 1660, 1966, 3154, 3932, 4915, 6308, 7885, 9830, 15770, 18677, 19660, 31540, 37354, 74708, 81589, 93385, 163178, 186770, 326356, 373540, 407945, 815890, 1550191, 1631780, 3100382, 6200764, 7750955, 15501910, 31003820]

約数ペア:

[(1, 31003820), (2, 15501910), (4, 7750955), (5, 6200764), (10, 3100382), (19, 1631780), (20, 1550191), (38, 815890), (76, 407945), (83, 373540), (95, 326356), (166, 186770), (190, 163178), (332, 93385), (380, 81589), (415, 74708), (830, 37354), (983, 31540), (1577, 19660), (1660, 18677), (1966, 15770), (3154, 9830), (3932, 7885), (4915, 6308)]