27519220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 33867980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 521, 556, 695, 1042, 1390, 2084, 2605, 2641, 2780, 5210, 5282, 9899, 10420, 10564, 13205, 19798, 26410, 39596, 49495, 52820, 72419, 98990, 144838, 197980, 289676, 362095, 724190, 1375961, 1448380, 2751922, 5503844, 6879805, 13759610, 27519220]

約数ペア:

[(1, 27519220), (2, 13759610), (4, 6879805), (5, 5503844), (10, 2751922), (19, 1448380), (20, 1375961), (38, 724190), (76, 362095), (95, 289676), (139, 197980), (190, 144838), (278, 98990), (380, 72419), (521, 52820), (556, 49495), (695, 39596), (1042, 26410), (1390, 19798), (2084, 13205), (2605, 10564), (2641, 10420), (2780, 9899), (5210, 5282)]