129618380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{983}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 287642880

約数和(自身を除く): 158024500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 347, 380, 694, 983, 1388, 1735, 1966, 3470, 3932, 4915, 6593, 6940, 9830, 13186, 18677, 19660, 26372, 32965, 37354, 65930, 74708, 93385, 131860, 186770, 341101, 373540, 682202, 1364404, 1705505, 3411010, 6480919, 6822020, 12961838, 25923676, 32404595, 64809190, 129618380]

約数ペア:

[(1, 129618380), (2, 64809190), (4, 32404595), (5, 25923676), (10, 12961838), (19, 6822020), (20, 6480919), (38, 3411010), (76, 1705505), (95, 1364404), (190, 682202), (347, 373540), (380, 341101), (694, 186770), (983, 131860), (1388, 93385), (1735, 74708), (1966, 65930), (3470, 37354), (3932, 32965), (4915, 26372), (6593, 19660), (6940, 18677), (9830, 13186)]