208631820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1659

約数の個数: 96

約数和(自身を含む): 623464128

約数和(自身を除く): 414832308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 137, 170, 204, 255, 274, 340, 411, 510, 548, 685, 822, 1020, 1370, 1493, 1644, 2055, 2329, 2740, 2986, 4110, 4479, 4658, 5972, 6987, 7465, 8220, 8958, 9316, 11645, 13974, 14930, 17916, 22395, 23290, 25381, 27948, 29860, 34935, 44790, 46580, 50762, 69870, 76143, 89580, 101524, 126905, 139740, 152286, 204541, 253810, 304572, 380715, 409082, 507620, 613623, 761430, 818164, 1022705, 1227246, 1522860, 2045410, 2454492, 3068115, 3477197, 4090820, 6136230, 6954394, 10431591, 12272460, 13908788, 17385985, 20863182, 34771970, 41726364, 52157955, 69543940, 104315910, 208631820]

約数ペア:

[(1, 208631820), (2, 104315910), (3, 69543940), (4, 52157955), (5, 41726364), (6, 34771970), (10, 20863182), (12, 17385985), (15, 13908788), (17, 12272460), (20, 10431591), (30, 6954394), (34, 6136230), (51, 4090820), (60, 3477197), (68, 3068115), (85, 2454492), (102, 2045410), (137, 1522860), (170, 1227246), (204, 1022705), (255, 818164), (274, 761430), (340, 613623), (411, 507620), (510, 409082), (548, 380715), (685, 304572), (822, 253810), (1020, 204541), (1370, 152286), (1493, 139740), (1644, 126905), (2055, 101524), (2329, 89580), (2740, 76143), (2986, 69870), (4110, 50762), (4479, 46580), (4658, 44790), (5972, 34935), (6987, 29860), (7465, 27948), (8220, 25381), (8958, 23290), (9316, 22395), (11645, 17916), (13974, 14930)]