397860520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 961966080

約数和(自身を除く): 564105560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 271, 289, 340, 508, 542, 578, 635, 680, 1016, 1084, 1156, 1270, 1355, 1445, 2159, 2168, 2312, 2540, 2710, 2890, 4318, 4607, 5080, 5420, 5780, 8636, 9214, 10795, 10840, 11560, 17272, 18428, 21590, 23035, 34417, 36703, 36856, 43180, 46070, 68834, 73406, 78319, 86360, 92140, 137668, 146812, 156638, 172085, 183515, 184280, 275336, 293624, 313276, 344170, 367030, 391595, 585089, 626552, 688340, 734060, 783190, 1170178, 1376680, 1468120, 1566380, 2340356, 2925445, 3132760, 4680712, 5850890, 9946513, 11701780, 19893026, 23403560, 39786052, 49732565, 79572104, 99465130, 198930260, 397860520]

約数ペア:

[(1, 397860520), (2, 198930260), (4, 99465130), (5, 79572104), (8, 49732565), (10, 39786052), (17, 23403560), (20, 19893026), (34, 11701780), (40, 9946513), (68, 5850890), (85, 4680712), (127, 3132760), (136, 2925445), (170, 2340356), (254, 1566380), (271, 1468120), (289, 1376680), (340, 1170178), (508, 783190), (542, 734060), (578, 688340), (635, 626552), (680, 585089), (1016, 391595), (1084, 367030), (1156, 344170), (1270, 313276), (1355, 293624), (1445, 275336), (2159, 184280), (2168, 183515), (2312, 172085), (2540, 156638), (2710, 146812), (2890, 137668), (4318, 92140), (4607, 86360), (5080, 78319), (5420, 73406), (5780, 68834), (8636, 46070), (9214, 43180), (10795, 36856), (10840, 36703), (11560, 34417), (17272, 23035), (18428, 21590)]