890303960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{244589}}^1$

素因数の和:244620

約数の個数: 64

約数和(自身を含む): 2465467200

約数和(自身を除く): 1575163240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 244589, 489178, 978356, 1222945, 1712123, 1956712, 2445890, 3179657, 3424246, 4891780, 6359314, 6848492, 8560615, 9783560, 12718628, 13696984, 15898285, 17121230, 22257599, 25437256, 31796570, 34242460, 44515198, 63593140, 68484920, 89030396, 111287995, 127186280, 178060792, 222575990, 445151980, 890303960]

約数ペア:

[(1, 890303960), (2, 445151980), (4, 222575990), (5, 178060792), (7, 127186280), (8, 111287995), (10, 89030396), (13, 68484920), (14, 63593140), (20, 44515198), (26, 34242460), (28, 31796570), (35, 25437256), (40, 22257599), (52, 17121230), (56, 15898285), (65, 13696984), (70, 12718628), (91, 9783560), (104, 8560615), (130, 6848492), (140, 6359314), (182, 4891780), (260, 3424246), (280, 3179657), (364, 2445890), (455, 1956712), (520, 1712123), (728, 1222945), (910, 978356), (1820, 489178), (3640, 244589)]