17681020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 49512960

約数和(自身を除く): 31831940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 23, 28, 34, 35, 38, 46, 68, 70, 76, 85, 92, 95, 115, 119, 133, 140, 161, 170, 190, 230, 238, 266, 289, 322, 323, 340, 380, 391, 437, 460, 476, 532, 578, 595, 644, 646, 665, 782, 805, 874, 1156, 1190, 1292, 1330, 1445, 1564, 1610, 1615, 1748, 1955, 2023, 2185, 2261, 2380, 2660, 2737, 2890, 3059, 3220, 3230, 3910, 4046, 4370, 4522, 5474, 5491, 5780, 6118, 6460, 6647, 7429, 7820, 8092, 8740, 9044, 10115, 10948, 10982, 11305, 12236, 13294, 13685, 14858, 15295, 20230, 21964, 22610, 26588, 27370, 27455, 29716, 30590, 33235, 37145, 38437, 40460, 45220, 46529, 52003, 54740, 54910, 61180, 66470, 74290, 76874, 93058, 104006, 109820, 126293, 132940, 148580, 153748, 186116, 192185, 208012, 232645, 252586, 260015, 384370, 465290, 505172, 520030, 631465, 768740, 884051, 930580, 1040060, 1262930, 1768102, 2525860, 3536204, 4420255, 8840510, 17681020]

約数ペア:

[(1, 17681020), (2, 8840510), (4, 4420255), (5, 3536204), (7, 2525860), (10, 1768102), (14, 1262930), (17, 1040060), (19, 930580), (20, 884051), (23, 768740), (28, 631465), (34, 520030), (35, 505172), (38, 465290), (46, 384370), (68, 260015), (70, 252586), (76, 232645), (85, 208012), (92, 192185), (95, 186116), (115, 153748), (119, 148580), (133, 132940), (140, 126293), (161, 109820), (170, 104006), (190, 93058), (230, 76874), (238, 74290), (266, 66470), (289, 61180), (322, 54910), (323, 54740), (340, 52003), (380, 46529), (391, 45220), (437, 40460), (460, 38437), (476, 37145), (532, 33235), (578, 30590), (595, 29716), (644, 27455), (646, 27370), (665, 26588), (782, 22610), (805, 21964), (874, 20230), (1156, 15295), (1190, 14858), (1292, 13685), (1330, 13294), (1445, 12236), (1564, 11305), (1610, 10982), (1615, 10948), (1748, 10115), (1955, 9044), (2023, 8740), (2185, 8092), (2261, 7820), (2380, 7429), (2660, 6647), (2737, 6460), (2890, 6118), (3059, 5780), (3220, 5491), (3230, 5474), (3910, 4522), (4046, 4370)]