290683280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 738792000

約数和(自身を除く): 448108720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 199, 248, 304, 310, 380, 398, 496, 589, 620, 760, 796, 961, 995, 1178, 1240, 1520, 1592, 1922, 1990, 2356, 2480, 2945, 3184, 3781, 3844, 3980, 4712, 4805, 5890, 6169, 7562, 7688, 7960, 9424, 9610, 11780, 12338, 15124, 15376, 15920, 18259, 18905, 19220, 23560, 24676, 30248, 30845, 36518, 37810, 38440, 47120, 49352, 60496, 61690, 73036, 75620, 76880, 91295, 98704, 117211, 123380, 146072, 151240, 182590, 191239, 234422, 246760, 292144, 302480, 365180, 382478, 468844, 493520, 586055, 730360, 764956, 937688, 956195, 1172110, 1460720, 1529912, 1875376, 1912390, 2344220, 3059824, 3633541, 3824780, 4688440, 7267082, 7649560, 9376880, 14534164, 15299120, 18167705, 29068328, 36335410, 58136656, 72670820, 145341640, 290683280]

約数ペア:

[(1, 290683280), (2, 145341640), (4, 72670820), (5, 58136656), (8, 36335410), (10, 29068328), (16, 18167705), (19, 15299120), (20, 14534164), (31, 9376880), (38, 7649560), (40, 7267082), (62, 4688440), (76, 3824780), (80, 3633541), (95, 3059824), (124, 2344220), (152, 1912390), (155, 1875376), (190, 1529912), (199, 1460720), (248, 1172110), (304, 956195), (310, 937688), (380, 764956), (398, 730360), (496, 586055), (589, 493520), (620, 468844), (760, 382478), (796, 365180), (961, 302480), (995, 292144), (1178, 246760), (1240, 234422), (1520, 191239), (1592, 182590), (1922, 151240), (1990, 146072), (2356, 123380), (2480, 117211), (2945, 98704), (3184, 91295), (3781, 76880), (3844, 75620), (3980, 73036), (4712, 61690), (4805, 60496), (5890, 49352), (6169, 47120), (7562, 38440), (7688, 37810), (7960, 36518), (9424, 30845), (9610, 30248), (11780, 24676), (12338, 23560), (15124, 19220), (15376, 18905), (15920, 18259)]