2838220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 7902720

約数和(自身を除く): 5064500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 97, 110, 133, 140, 154, 190, 194, 209, 220, 266, 308, 380, 385, 388, 418, 485, 532, 665, 679, 770, 836, 970, 1045, 1067, 1330, 1358, 1463, 1540, 1843, 1940, 2090, 2134, 2660, 2716, 2926, 3395, 3686, 4180, 4268, 5335, 5852, 6790, 7315, 7372, 7469, 9215, 10670, 12901, 13580, 14630, 14938, 18430, 20273, 21340, 25802, 29260, 29876, 36860, 37345, 40546, 51604, 64505, 74690, 81092, 101365, 129010, 141911, 149380, 202730, 258020, 283822, 405460, 567644, 709555, 1419110, 2838220]

約数ペア:

[(1, 2838220), (2, 1419110), (4, 709555), (5, 567644), (7, 405460), (10, 283822), (11, 258020), (14, 202730), (19, 149380), (20, 141911), (22, 129010), (28, 101365), (35, 81092), (38, 74690), (44, 64505), (55, 51604), (70, 40546), (76, 37345), (77, 36860), (95, 29876), (97, 29260), (110, 25802), (133, 21340), (140, 20273), (154, 18430), (190, 14938), (194, 14630), (209, 13580), (220, 12901), (266, 10670), (308, 9215), (380, 7469), (385, 7372), (388, 7315), (418, 6790), (485, 5852), (532, 5335), (665, 4268), (679, 4180), (770, 3686), (836, 3395), (970, 2926), (1045, 2716), (1067, 2660), (1330, 2134), (1358, 2090), (1463, 1940), (1540, 1843)]