666934000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 120

約数和(自身を含む): 1671147504

約数和(自身を除く): 1004213504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 347, 400, 496, 500, 620, 694, 775, 961, 1000, 1240, 1388, 1550, 1735, 1922, 2000, 2480, 2776, 3100, 3470, 3844, 3875, 4805, 5552, 6200, 6940, 7688, 7750, 8675, 9610, 10757, 12400, 13880, 15376, 15500, 17350, 19220, 21514, 24025, 27760, 31000, 34700, 38440, 43028, 43375, 48050, 53785, 62000, 69400, 76880, 86056, 86750, 96100, 107570, 120125, 138800, 172112, 173500, 192200, 215140, 240250, 268925, 333467, 347000, 384400, 430280, 480500, 537850, 666934, 694000, 860560, 961000, 1075700, 1333868, 1344625, 1667335, 1922000, 2151400, 2667736, 2689250, 3334670, 4302800, 5335472, 5378500, 6669340, 8336675, 10757000, 13338680, 16673350, 21514000, 26677360, 33346700, 41683375, 66693400, 83366750, 133386800, 166733500, 333467000, 666934000]

約数ペア:

[(1, 666934000), (2, 333467000), (4, 166733500), (5, 133386800), (8, 83366750), (10, 66693400), (16, 41683375), (20, 33346700), (25, 26677360), (31, 21514000), (40, 16673350), (50, 13338680), (62, 10757000), (80, 8336675), (100, 6669340), (124, 5378500), (125, 5335472), (155, 4302800), (200, 3334670), (248, 2689250), (250, 2667736), (310, 2151400), (347, 1922000), (400, 1667335), (496, 1344625), (500, 1333868), (620, 1075700), (694, 961000), (775, 860560), (961, 694000), (1000, 666934), (1240, 537850), (1388, 480500), (1550, 430280), (1735, 384400), (1922, 347000), (2000, 333467), (2480, 268925), (2776, 240250), (3100, 215140), (3470, 192200), (3844, 173500), (3875, 172112), (4805, 138800), (5552, 120125), (6200, 107570), (6940, 96100), (7688, 86750), (7750, 86056), (8675, 76880), (9610, 69400), (10757, 62000), (12400, 53785), (13880, 48050), (15376, 43375), (15500, 43028), (17350, 38440), (19220, 34700), (21514, 31000), (24025, 27760)]