251370

素因数分解:

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

素因数の和:49

約数の個数: 96

約数和(自身を含む): 820800

約数和(自身を除く): 569430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 135, 147, 171, 189, 190, 210, 245, 266, 270, 285, 294, 315, 342, 378, 399, 441, 490, 513, 570, 630, 665, 735, 798, 855, 882, 931, 945, 1026, 1197, 1323, 1330, 1470, 1710, 1862, 1890, 1995, 2205, 2394, 2565, 2646, 2793, 3591, 3990, 4410, 4655, 5130, 5586, 5985, 6615, 7182, 8379, 9310, 11970, 13230, 13965, 16758, 17955, 25137, 27930, 35910, 41895, 50274, 83790, 125685, 251370]

約数ペア:

[(1, 251370), (2, 125685), (3, 83790), (5, 50274), (6, 41895), (7, 35910), (9, 27930), (10, 25137), (14, 17955), (15, 16758), (18, 13965), (19, 13230), (21, 11970), (27, 9310), (30, 8379), (35, 7182), (38, 6615), (42, 5985), (45, 5586), (49, 5130), (54, 4655), (57, 4410), (63, 3990), (70, 3591), (90, 2793), (95, 2646), (98, 2565), (105, 2394), (114, 2205), (126, 1995), (133, 1890), (135, 1862), (147, 1710), (171, 1470), (189, 1330), (190, 1323), (210, 1197), (245, 1026), (266, 945), (270, 931), (285, 882), (294, 855), (315, 798), (342, 735), (378, 665), (399, 630), (441, 570), (490, 513)]