187848990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{99391}}^1$

素因数の和:99414

約数の個数: 64

約数和(自身を含む): 572497920

約数和(自身を除く): 384648930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 99391, 198782, 298173, 496955, 596346, 695737, 894519, 993910, 1391474, 1490865, 1789038, 2087211, 2683557, 2981730, 3478685, 4174422, 4472595, 5367114, 6261633, 6957370, 8945190, 10436055, 12523266, 13417785, 18784899, 20872110, 26835570, 31308165, 37569798, 62616330, 93924495, 187848990]

約数ペア:

[(1, 187848990), (2, 93924495), (3, 62616330), (5, 37569798), (6, 31308165), (7, 26835570), (9, 20872110), (10, 18784899), (14, 13417785), (15, 12523266), (18, 10436055), (21, 8945190), (27, 6957370), (30, 6261633), (35, 5367114), (42, 4472595), (45, 4174422), (54, 3478685), (63, 2981730), (70, 2683557), (90, 2087211), (105, 1789038), (126, 1490865), (135, 1391474), (189, 993910), (210, 894519), (270, 695737), (315, 596346), (378, 496955), (630, 298173), (945, 198782), (1890, 99391)]