440629040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 1066598400

約数和(自身を除く): 625969360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 1399, 2032, 2480, 2540, 2798, 3937, 5080, 5596, 6995, 7874, 10160, 11192, 13990, 15748, 19685, 22384, 27980, 31496, 39370, 43369, 55960, 62992, 78740, 86738, 111920, 157480, 173476, 177673, 216845, 314960, 346952, 355346, 433690, 693904, 710692, 867380, 888365, 1421384, 1734760, 1776730, 2842768, 3469520, 3553460, 5507863, 7106920, 11015726, 14213840, 22031452, 27539315, 44062904, 55078630, 88125808, 110157260, 220314520, 440629040]

約数ペア:

[(1, 440629040), (2, 220314520), (4, 110157260), (5, 88125808), (8, 55078630), (10, 44062904), (16, 27539315), (20, 22031452), (31, 14213840), (40, 11015726), (62, 7106920), (80, 5507863), (124, 3553460), (127, 3469520), (155, 2842768), (248, 1776730), (254, 1734760), (310, 1421384), (496, 888365), (508, 867380), (620, 710692), (635, 693904), (1016, 433690), (1240, 355346), (1270, 346952), (1399, 314960), (2032, 216845), (2480, 177673), (2540, 173476), (2798, 157480), (3937, 111920), (5080, 86738), (5596, 78740), (6995, 62992), (7874, 55960), (10160, 43369), (11192, 39370), (13990, 31496), (15748, 27980), (19685, 22384)]