478221040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 1234920960

約数和(自身を除く): 756699920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 127, 176, 220, 242, 254, 389, 440, 484, 508, 605, 635, 778, 880, 968, 1016, 1210, 1270, 1397, 1556, 1936, 1945, 2032, 2420, 2540, 2794, 3112, 3890, 4279, 4840, 5080, 5588, 6224, 6985, 7780, 8558, 9680, 10160, 11176, 13970, 15367, 15560, 17116, 21395, 22352, 27940, 30734, 31120, 34232, 42790, 47069, 49403, 55880, 61468, 68464, 76835, 85580, 94138, 98806, 111760, 122936, 153670, 171160, 188276, 197612, 235345, 245872, 247015, 307340, 342320, 376552, 395224, 470690, 494030, 543433, 614680, 753104, 790448, 941380, 988060, 1086866, 1229360, 1882760, 1976120, 2173732, 2717165, 3765520, 3952240, 4347464, 5434330, 5977763, 8694928, 10868660, 11955526, 21737320, 23911052, 29888815, 43474640, 47822104, 59777630, 95644208, 119555260, 239110520, 478221040]

約数ペア:

[(1, 478221040), (2, 239110520), (4, 119555260), (5, 95644208), (8, 59777630), (10, 47822104), (11, 43474640), (16, 29888815), (20, 23911052), (22, 21737320), (40, 11955526), (44, 10868660), (55, 8694928), (80, 5977763), (88, 5434330), (110, 4347464), (121, 3952240), (127, 3765520), (176, 2717165), (220, 2173732), (242, 1976120), (254, 1882760), (389, 1229360), (440, 1086866), (484, 988060), (508, 941380), (605, 790448), (635, 753104), (778, 614680), (880, 543433), (968, 494030), (1016, 470690), (1210, 395224), (1270, 376552), (1397, 342320), (1556, 307340), (1936, 247015), (1945, 245872), (2032, 235345), (2420, 197612), (2540, 188276), (2794, 171160), (3112, 153670), (3890, 122936), (4279, 111760), (4840, 98806), (5080, 94138), (5588, 85580), (6224, 76835), (6985, 68464), (7780, 61468), (8558, 55880), (9680, 49403), (10160, 47069), (11176, 42790), (13970, 34232), (15367, 31120), (15560, 30734), (17116, 27940), (21395, 22352)]