211569540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38749}}^1$

素因数の和:38781

約数の個数: 96

約数和(自身を含む): 729120000

約数和(自身を除く): 517550460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 38749, 77498, 116247, 154996, 193745, 232494, 271243, 387490, 464988, 503737, 542486, 581235, 774980, 813729, 1007474, 1084972, 1162470, 1356215, 1511211, 1627458, 2014948, 2324940, 2518685, 2712430, 3022422, 3254916, 3526159, 4068645, 5037370, 5424860, 6044844, 7052318, 7556055, 8137290, 10074740, 10578477, 14104636, 15112110, 16274580, 17630795, 21156954, 30224220, 35261590, 42313908, 52892385, 70523180, 105784770, 211569540]

約数ペア:

[(1, 211569540), (2, 105784770), (3, 70523180), (4, 52892385), (5, 42313908), (6, 35261590), (7, 30224220), (10, 21156954), (12, 17630795), (13, 16274580), (14, 15112110), (15, 14104636), (20, 10578477), (21, 10074740), (26, 8137290), (28, 7556055), (30, 7052318), (35, 6044844), (39, 5424860), (42, 5037370), (52, 4068645), (60, 3526159), (65, 3254916), (70, 3022422), (78, 2712430), (84, 2518685), (91, 2324940), (105, 2014948), (130, 1627458), (140, 1511211), (156, 1356215), (182, 1162470), (195, 1084972), (210, 1007474), (260, 813729), (273, 774980), (364, 581235), (390, 542486), (420, 503737), (455, 464988), (546, 387490), (780, 271243), (910, 232494), (1092, 193745), (1365, 154996), (1820, 116247), (2730, 77498), (5460, 38749)]