73895180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 164640000

約数和(自身を除く): 90744820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 1399, 2641, 2780, 2798, 5282, 5596, 6995, 10564, 13205, 13990, 26410, 26581, 27980, 52820, 53162, 106324, 132905, 194461, 265810, 388922, 531620, 777844, 972305, 1944610, 3694759, 3889220, 7389518, 14779036, 18473795, 36947590, 73895180]

約数ペア:

[(1, 73895180), (2, 36947590), (4, 18473795), (5, 14779036), (10, 7389518), (19, 3889220), (20, 3694759), (38, 1944610), (76, 972305), (95, 777844), (139, 531620), (190, 388922), (278, 265810), (380, 194461), (556, 132905), (695, 106324), (1390, 53162), (1399, 52820), (2641, 27980), (2780, 26581), (2798, 26410), (5282, 13990), (5596, 13205), (6995, 10564)]