919220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 2116800

約数和(自身を除く): 1197580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 59, 76, 82, 95, 118, 164, 190, 205, 236, 295, 380, 410, 590, 779, 820, 1121, 1180, 1558, 2242, 2419, 3116, 3895, 4484, 4838, 5605, 7790, 9676, 11210, 12095, 15580, 22420, 24190, 45961, 48380, 91922, 183844, 229805, 459610, 919220]

約数ペア:

[(1, 919220), (2, 459610), (4, 229805), (5, 183844), (10, 91922), (19, 48380), (20, 45961), (38, 24190), (41, 22420), (59, 15580), (76, 12095), (82, 11210), (95, 9676), (118, 7790), (164, 5605), (190, 4838), (205, 4484), (236, 3895), (295, 3116), (380, 2419), (410, 2242), (590, 1558), (779, 1180), (820, 1121)]