2799460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3550940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 139, 190, 212, 265, 278, 380, 530, 556, 695, 1007, 1060, 1390, 2014, 2641, 2780, 4028, 5035, 5282, 7367, 10070, 10564, 13205, 14734, 20140, 26410, 29468, 36835, 52820, 73670, 139973, 147340, 279946, 559892, 699865, 1399730, 2799460]

約数ペア:

[(1, 2799460), (2, 1399730), (4, 699865), (5, 559892), (10, 279946), (19, 147340), (20, 139973), (38, 73670), (53, 52820), (76, 36835), (95, 29468), (106, 26410), (139, 20140), (190, 14734), (212, 13205), (265, 10564), (278, 10070), (380, 7367), (530, 5282), (556, 5035), (695, 4028), (1007, 2780), (1060, 2641), (1390, 2014)]