284465720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1$

素因数の和:4909

約数の個数: 128

約数和(自身を含む): 840153600

約数和(自身を除く): 555687880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1672, 2090, 2660, 2926, 3080, 4180, 4861, 5320, 5852, 7315, 8360, 9722, 11704, 14630, 19444, 24305, 29260, 34027, 38888, 48610, 53471, 58520, 68054, 92359, 97220, 106942, 136108, 170135, 184718, 194440, 213884, 267355, 272216, 340270, 369436, 374297, 427768, 461795, 534710, 646513, 680540, 738872, 748594, 923590, 1015949, 1069420, 1293026, 1361080, 1497188, 1847180, 1871485, 2031898, 2138840, 2586052, 2994376, 3232565, 3694360, 3742970, 4063796, 5079745, 5172104, 6465130, 7111643, 7485940, 8127592, 10159490, 12930260, 14223286, 14971880, 20318980, 25860520, 28446572, 35558215, 40637960, 56893144, 71116430, 142232860, 284465720]

約数ペア:

[(1, 284465720), (2, 142232860), (4, 71116430), (5, 56893144), (7, 40637960), (8, 35558215), (10, 28446572), (11, 25860520), (14, 20318980), (19, 14971880), (20, 14223286), (22, 12930260), (28, 10159490), (35, 8127592), (38, 7485940), (40, 7111643), (44, 6465130), (55, 5172104), (56, 5079745), (70, 4063796), (76, 3742970), (77, 3694360), (88, 3232565), (95, 2994376), (110, 2586052), (133, 2138840), (140, 2031898), (152, 1871485), (154, 1847180), (190, 1497188), (209, 1361080), (220, 1293026), (266, 1069420), (280, 1015949), (308, 923590), (380, 748594), (385, 738872), (418, 680540), (440, 646513), (532, 534710), (616, 461795), (665, 427768), (760, 374297), (770, 369436), (836, 340270), (1045, 272216), (1064, 267355), (1330, 213884), (1463, 194440), (1540, 184718), (1672, 170135), (2090, 136108), (2660, 106942), (2926, 97220), (3080, 92359), (4180, 68054), (4861, 58520), (5320, 53471), (5852, 48610), (7315, 38888), (8360, 34027), (9722, 29260), (11704, 24305), (14630, 19444)]