209200772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 423284736

約数和(自身を除く): 214083964

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 73, 121, 124, 146, 191, 242, 292, 341, 382, 484, 682, 764, 803, 1364, 1606, 2101, 2263, 3212, 3751, 4202, 4526, 5921, 7502, 8404, 8833, 9052, 11842, 13943, 15004, 17666, 23111, 23684, 24893, 27886, 35332, 46222, 49786, 55772, 65131, 92444, 99572, 130262, 153373, 260524, 273823, 306746, 432233, 547646, 613492, 716441, 864466, 1095292, 1432882, 1687103, 1728932, 2865764, 3374206, 4754563, 6748412, 9509126, 19018252, 52300193, 104600386, 209200772]

約数ペア:

[(1, 209200772), (2, 104600386), (4, 52300193), (11, 19018252), (22, 9509126), (31, 6748412), (44, 4754563), (62, 3374206), (73, 2865764), (121, 1728932), (124, 1687103), (146, 1432882), (191, 1095292), (242, 864466), (292, 716441), (341, 613492), (382, 547646), (484, 432233), (682, 306746), (764, 273823), (803, 260524), (1364, 153373), (1606, 130262), (2101, 99572), (2263, 92444), (3212, 65131), (3751, 55772), (4202, 49786), (4526, 46222), (5921, 35332), (7502, 27886), (8404, 24893), (8833, 23684), (9052, 23111), (11842, 17666), (13943, 15004)]