490707680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 1300561920

約数和(自身を除く): 809854240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 62, 76, 80, 82, 95, 124, 127, 152, 155, 160, 164, 190, 205, 248, 254, 304, 310, 328, 380, 410, 496, 508, 589, 608, 620, 635, 656, 760, 779, 820, 992, 1016, 1178, 1240, 1270, 1271, 1312, 1520, 1558, 1640, 2032, 2356, 2413, 2480, 2540, 2542, 2945, 3040, 3116, 3280, 3895, 3937, 4064, 4712, 4826, 4960, 5080, 5084, 5207, 5890, 6232, 6355, 6560, 7790, 7874, 9424, 9652, 10160, 10168, 10414, 11780, 12065, 12464, 12710, 15580, 15748, 18848, 19304, 19685, 20320, 20336, 20828, 23560, 24130, 24149, 24928, 25420, 26035, 31160, 31496, 38608, 39370, 40672, 41656, 47120, 48260, 48298, 50840, 52070, 62320, 62992, 74803, 77216, 78740, 83312, 94240, 96520, 96596, 98933, 101680, 104140, 120745, 124640, 125984, 149606, 157480, 161417, 166624, 193040, 193192, 197866, 203360, 208280, 241490, 299212, 314960, 322834, 374015, 386080, 386384, 395732, 416560, 482980, 494665, 598424, 629920, 645668, 748030, 772768, 791464, 807085, 833120, 965960, 989330, 1196848, 1291336, 1496060, 1582928, 1614170, 1931920, 1978660, 2393696, 2582672, 2992120, 3066923, 3165856, 3228340, 3863840, 3957320, 5165344, 5984240, 6133846, 6456680, 7914640, 11968480, 12267692, 12913360, 15334615, 15829280, 24535384, 25826720, 30669230, 49070768, 61338460, 98141536, 122676920, 245353840, 490707680]

約数ペア:

[(1, 490707680), (2, 245353840), (4, 122676920), (5, 98141536), (8, 61338460), (10, 49070768), (16, 30669230), (19, 25826720), (20, 24535384), (31, 15829280), (32, 15334615), (38, 12913360), (40, 12267692), (41, 11968480), (62, 7914640), (76, 6456680), (80, 6133846), (82, 5984240), (95, 5165344), (124, 3957320), (127, 3863840), (152, 3228340), (155, 3165856), (160, 3066923), (164, 2992120), (190, 2582672), (205, 2393696), (248, 1978660), (254, 1931920), (304, 1614170), (310, 1582928), (328, 1496060), (380, 1291336), (410, 1196848), (496, 989330), (508, 965960), (589, 833120), (608, 807085), (620, 791464), (635, 772768), (656, 748030), (760, 645668), (779, 629920), (820, 598424), (992, 494665), (1016, 482980), (1178, 416560), (1240, 395732), (1270, 386384), (1271, 386080), (1312, 374015), (1520, 322834), (1558, 314960), (1640, 299212), (2032, 241490), (2356, 208280), (2413, 203360), (2480, 197866), (2540, 193192), (2542, 193040), (2945, 166624), (3040, 161417), (3116, 157480), (3280, 149606), (3895, 125984), (3937, 124640), (4064, 120745), (4712, 104140), (4826, 101680), (4960, 98933), (5080, 96596), (5084, 96520), (5207, 94240), (5890, 83312), (6232, 78740), (6355, 77216), (6560, 74803), (7790, 62992), (7874, 62320), (9424, 52070), (9652, 50840), (10160, 48298), (10168, 48260), (10414, 47120), (11780, 41656), (12065, 40672), (12464, 39370), (12710, 38608), (15580, 31496), (15748, 31160), (18848, 26035), (19304, 25420), (19685, 24928), (20320, 24149), (20336, 24130), (20828, 23560)]