868291220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{3209}}^1$

素因数の和:3464

約数の個数: 48

約数和(自身を含む): 1857280320

約数和(自身を除く): 988989100

約数列:

[1, 2, 4, 5, 10, 20, 83, 163, 166, 326, 332, 415, 652, 815, 830, 1630, 1660, 3209, 3260, 6418, 12836, 13529, 16045, 27058, 32090, 54116, 64180, 67645, 135290, 266347, 270580, 523067, 532694, 1046134, 1065388, 1331735, 2092268, 2615335, 2663470, 5230670, 5326940, 10461340, 43414561, 86829122, 173658244, 217072805, 434145610, 868291220]

約数ペア:

[(1, 868291220), (2, 434145610), (4, 217072805), (5, 173658244), (10, 86829122), (20, 43414561), (83, 10461340), (163, 5326940), (166, 5230670), (326, 2663470), (332, 2615335), (415, 2092268), (652, 1331735), (815, 1065388), (830, 1046134), (1630, 532694), (1660, 523067), (3209, 270580), (3260, 266347), (6418, 135290), (12836, 67645), (13529, 64180), (16045, 54116), (27058, 32090)]