288991780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 812851200

約数和(自身を除く): 523859420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 41, 44, 46, 55, 70, 77, 82, 92, 110, 115, 140, 154, 161, 164, 199, 205, 220, 230, 253, 287, 308, 322, 385, 398, 410, 451, 460, 506, 574, 644, 770, 796, 805, 820, 902, 943, 995, 1012, 1148, 1265, 1393, 1435, 1540, 1610, 1771, 1804, 1886, 1990, 2189, 2255, 2530, 2786, 2870, 3157, 3220, 3542, 3772, 3980, 4378, 4510, 4577, 4715, 5060, 5572, 5740, 6314, 6601, 6965, 7084, 8159, 8756, 8855, 9020, 9154, 9430, 10373, 10945, 12628, 13202, 13930, 15323, 15785, 16318, 17710, 18308, 18860, 20746, 21890, 22885, 26404, 27860, 30646, 31570, 32039, 32636, 33005, 35420, 40795, 41492, 43780, 45770, 50347, 51865, 57113, 61292, 63140, 64078, 66010, 72611, 76615, 81590, 89749, 91540, 100694, 103730, 114226, 128156, 132020, 145222, 153230, 160195, 163180, 179498, 187657, 201388, 207460, 228452, 251735, 285565, 290444, 306460, 320390, 352429, 358996, 363055, 375314, 448745, 503470, 571130, 628243, 640780, 704858, 726110, 750628, 897490, 938285, 1006940, 1142260, 1256486, 1313599, 1409716, 1452220, 1762145, 1794980, 1876570, 2064227, 2512972, 2627198, 3141215, 3524290, 3753140, 4128454, 5254396, 6282430, 6567995, 7048580, 8256908, 10321135, 12564860, 13135990, 14449589, 20642270, 26271980, 28899178, 41284540, 57798356, 72247945, 144495890, 288991780]

約数ペア:

[(1, 288991780), (2, 144495890), (4, 72247945), (5, 57798356), (7, 41284540), (10, 28899178), (11, 26271980), (14, 20642270), (20, 14449589), (22, 13135990), (23, 12564860), (28, 10321135), (35, 8256908), (41, 7048580), (44, 6567995), (46, 6282430), (55, 5254396), (70, 4128454), (77, 3753140), (82, 3524290), (92, 3141215), (110, 2627198), (115, 2512972), (140, 2064227), (154, 1876570), (161, 1794980), (164, 1762145), (199, 1452220), (205, 1409716), (220, 1313599), (230, 1256486), (253, 1142260), (287, 1006940), (308, 938285), (322, 897490), (385, 750628), (398, 726110), (410, 704858), (451, 640780), (460, 628243), (506, 571130), (574, 503470), (644, 448745), (770, 375314), (796, 363055), (805, 358996), (820, 352429), (902, 320390), (943, 306460), (995, 290444), (1012, 285565), (1148, 251735), (1265, 228452), (1393, 207460), (1435, 201388), (1540, 187657), (1610, 179498), (1771, 163180), (1804, 160195), (1886, 153230), (1990, 145222), (2189, 132020), (2255, 128156), (2530, 114226), (2786, 103730), (2870, 100694), (3157, 91540), (3220, 89749), (3542, 81590), (3772, 76615), (3980, 72611), (4378, 66010), (4510, 64078), (4577, 63140), (4715, 61292), (5060, 57113), (5572, 51865), (5740, 50347), (6314, 45770), (6601, 43780), (6965, 41492), (7084, 40795), (8159, 35420), (8756, 33005), (8855, 32636), (9020, 32039), (9154, 31570), (9430, 30646), (10373, 27860), (10945, 26404), (12628, 22885), (13202, 21890), (13930, 20746), (15323, 18860), (15785, 18308), (16318, 17710)]