290874984

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{390961}}^1$

素因数の和:391001

約数の個数: 32

約数和(自身を含む): 750647040

約数和(自身を除く): 459772056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 390961, 781922, 1172883, 1563844, 2345766, 3127688, 4691532, 9383064, 12119791, 24239582, 36359373, 48479164, 72718746, 96958328, 145437492, 290874984]

約数ペア:

[(1, 290874984), (2, 145437492), (3, 96958328), (4, 72718746), (6, 48479164), (8, 36359373), (12, 24239582), (24, 12119791), (31, 9383064), (62, 4691532), (93, 3127688), (124, 2345766), (186, 1563844), (248, 1172883), (372, 781922), (744, 390961)]