210855540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26461

約数の個数: 96

約数和(自身を含む): 710277120

約数和(自身を除く): 499421580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 26423, 52846, 79269, 105692, 132115, 158538, 184961, 264230, 317076, 369922, 396345, 502037, 528460, 554883, 739844, 792690, 924805, 1004074, 1109766, 1506111, 1585380, 1849610, 2008148, 2219532, 2510185, 2774415, 3012222, 3514259, 3699220, 5020370, 5548830, 6024444, 7028518, 7530555, 10040740, 10542777, 11097660, 14057036, 15061110, 17571295, 21085554, 30122220, 35142590, 42171108, 52713885, 70285180, 105427770, 210855540]

約数ペア:

[(1, 210855540), (2, 105427770), (3, 70285180), (4, 52713885), (5, 42171108), (6, 35142590), (7, 30122220), (10, 21085554), (12, 17571295), (14, 15061110), (15, 14057036), (19, 11097660), (20, 10542777), (21, 10040740), (28, 7530555), (30, 7028518), (35, 6024444), (38, 5548830), (42, 5020370), (57, 3699220), (60, 3514259), (70, 3012222), (76, 2774415), (84, 2510185), (95, 2219532), (105, 2008148), (114, 1849610), (133, 1585380), (140, 1506111), (190, 1109766), (210, 1004074), (228, 924805), (266, 792690), (285, 739844), (380, 554883), (399, 528460), (420, 502037), (532, 396345), (570, 369922), (665, 317076), (798, 264230), (1140, 184961), (1330, 158538), (1596, 132115), (1995, 105692), (2660, 79269), (3990, 52846), (7980, 26423)]