210960820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 540836352

約数和(自身を除く): 329875532

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 137, 140, 170, 238, 274, 340, 476, 548, 595, 647, 685, 959, 1190, 1294, 1370, 1918, 2329, 2380, 2588, 2740, 3235, 3836, 4529, 4658, 4795, 6470, 9058, 9316, 9590, 10999, 11645, 12940, 16303, 18116, 19180, 21998, 22645, 23290, 32606, 43996, 45290, 46580, 54995, 65212, 76993, 81515, 88639, 90580, 109990, 153986, 163030, 177278, 219980, 307972, 326060, 354556, 384965, 443195, 620473, 769930, 886390, 1240946, 1506863, 1539860, 1772780, 2481892, 3013726, 3102365, 6027452, 6204730, 7534315, 10548041, 12409460, 15068630, 21096082, 30137260, 42192164, 52740205, 105480410, 210960820]

約数ペア:

[(1, 210960820), (2, 105480410), (4, 52740205), (5, 42192164), (7, 30137260), (10, 21096082), (14, 15068630), (17, 12409460), (20, 10548041), (28, 7534315), (34, 6204730), (35, 6027452), (68, 3102365), (70, 3013726), (85, 2481892), (119, 1772780), (137, 1539860), (140, 1506863), (170, 1240946), (238, 886390), (274, 769930), (340, 620473), (476, 443195), (548, 384965), (595, 354556), (647, 326060), (685, 307972), (959, 219980), (1190, 177278), (1294, 163030), (1370, 153986), (1918, 109990), (2329, 90580), (2380, 88639), (2588, 81515), (2740, 76993), (3235, 65212), (3836, 54995), (4529, 46580), (4658, 45290), (4795, 43996), (6470, 32606), (9058, 23290), (9316, 22645), (9590, 21998), (10999, 19180), (11645, 18116), (12940, 16303)]