494120980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 1130976000

約数和(自身を除く): 636855020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 109, 134, 170, 199, 218, 268, 335, 340, 398, 436, 545, 670, 796, 995, 1090, 1139, 1340, 1853, 1990, 2180, 2278, 3383, 3706, 3980, 4556, 5695, 6766, 7303, 7412, 9265, 11390, 13333, 13532, 14606, 16915, 18530, 21691, 22780, 26666, 29212, 33830, 36515, 37060, 43382, 53332, 66665, 67660, 73030, 86764, 108455, 124151, 133330, 146060, 216910, 226661, 248302, 266660, 368747, 433820, 453322, 496604, 620755, 737494, 906644, 1133305, 1241510, 1453297, 1474988, 1843735, 2266610, 2483020, 2906594, 3687470, 4533220, 5813188, 7266485, 7374940, 14532970, 24706049, 29065940, 49412098, 98824196, 123530245, 247060490, 494120980]

約数ペア:

[(1, 494120980), (2, 247060490), (4, 123530245), (5, 98824196), (10, 49412098), (17, 29065940), (20, 24706049), (34, 14532970), (67, 7374940), (68, 7266485), (85, 5813188), (109, 4533220), (134, 3687470), (170, 2906594), (199, 2483020), (218, 2266610), (268, 1843735), (335, 1474988), (340, 1453297), (398, 1241510), (436, 1133305), (545, 906644), (670, 737494), (796, 620755), (995, 496604), (1090, 453322), (1139, 433820), (1340, 368747), (1853, 266660), (1990, 248302), (2180, 226661), (2278, 216910), (3383, 146060), (3706, 133330), (3980, 124151), (4556, 108455), (5695, 86764), (6766, 73030), (7303, 67660), (7412, 66665), (9265, 53332), (11390, 43382), (13333, 37060), (13532, 36515), (14606, 33830), (16915, 29212), (18530, 26666), (21691, 22780)]