542786680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4549}}^1$

素因数の和:4736

約数の個数: 64

約数和(自身を含む): 1294020000

約数和(自身を除く): 751233320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 628, 760, 785, 1256, 1570, 2983, 3140, 4549, 5966, 6280, 9098, 11932, 14915, 18196, 22745, 23864, 29830, 36392, 45490, 59660, 86431, 90980, 119320, 172862, 181960, 345724, 432155, 691448, 714193, 864310, 1428386, 1728620, 2856772, 3457240, 3570965, 5713544, 7141930, 13569667, 14283860, 27139334, 28567720, 54278668, 67848335, 108557336, 135696670, 271393340, 542786680]

約数ペア:

[(1, 542786680), (2, 271393340), (4, 135696670), (5, 108557336), (8, 67848335), (10, 54278668), (19, 28567720), (20, 27139334), (38, 14283860), (40, 13569667), (76, 7141930), (95, 5713544), (152, 3570965), (157, 3457240), (190, 2856772), (314, 1728620), (380, 1428386), (628, 864310), (760, 714193), (785, 691448), (1256, 432155), (1570, 345724), (2983, 181960), (3140, 172862), (4549, 119320), (5966, 90980), (6280, 86431), (9098, 59660), (11932, 45490), (14915, 36392), (18196, 29830), (22745, 23864)]