209470844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 434724864

約数和(自身を除く): 225254020

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 92, 121, 124, 242, 253, 341, 484, 506, 607, 682, 713, 1012, 1214, 1364, 1426, 2428, 2783, 2852, 3751, 5566, 6677, 7502, 7843, 11132, 13354, 13961, 15004, 15686, 18817, 26708, 27922, 31372, 37634, 55844, 73447, 75268, 86273, 146894, 153571, 172546, 206987, 293788, 307142, 345092, 413974, 432791, 614284, 827948, 865582, 1689281, 1731164, 2276857, 3378562, 4553714, 4760701, 6757124, 9107428, 9521402, 19042804, 52367711, 104735422, 209470844]

約数ペア:

[(1, 209470844), (2, 104735422), (4, 52367711), (11, 19042804), (22, 9521402), (23, 9107428), (31, 6757124), (44, 4760701), (46, 4553714), (62, 3378562), (92, 2276857), (121, 1731164), (124, 1689281), (242, 865582), (253, 827948), (341, 614284), (484, 432791), (506, 413974), (607, 345092), (682, 307142), (713, 293788), (1012, 206987), (1214, 172546), (1364, 153571), (1426, 146894), (2428, 86273), (2783, 75268), (2852, 73447), (3751, 55844), (5566, 37634), (6677, 31372), (7502, 27922), (7843, 26708), (11132, 18817), (13354, 15686), (13961, 15004)]