239679972

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 180

約数和(自身を含む): 753924864

約数和(自身を除く): 514244892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 81, 84, 93, 98, 108, 124, 126, 147, 162, 186, 189, 196, 217, 252, 279, 294, 324, 372, 378, 434, 441, 487, 558, 567, 588, 651, 756, 837, 868, 882, 974, 1116, 1134, 1302, 1323, 1461, 1519, 1674, 1764, 1948, 1953, 2268, 2511, 2604, 2646, 2922, 3038, 3348, 3409, 3906, 3969, 4383, 4557, 5022, 5292, 5844, 5859, 6076, 6818, 7812, 7938, 8766, 9114, 10044, 10227, 11718, 13149, 13636, 13671, 15097, 15876, 17532, 17577, 18228, 20454, 23436, 23863, 26298, 27342, 30194, 30681, 35154, 39447, 40908, 41013, 45291, 47726, 52596, 54684, 60388, 61362, 70308, 71589, 78894, 82026, 90582, 92043, 95452, 105679, 122724, 123039, 135873, 143178, 157788, 164052, 181164, 184086, 211358, 214767, 246078, 271746, 276129, 286356, 317037, 368172, 407619, 422716, 429534, 492156, 543492, 552258, 634074, 644301, 739753, 815238, 859068, 951111, 1104516, 1222857, 1268148, 1288602, 1479506, 1630476, 1902222, 1932903, 2219259, 2445714, 2577204, 2853333, 2959012, 3804444, 3865806, 4438518, 4891428, 5706666, 6657777, 7731612, 8559999, 8877036, 11413332, 13315554, 17119998, 19973331, 26631108, 34239996, 39946662, 59919993, 79893324, 119839986, 239679972]

約数ペア:

[(1, 239679972), (2, 119839986), (3, 79893324), (4, 59919993), (6, 39946662), (7, 34239996), (9, 26631108), (12, 19973331), (14, 17119998), (18, 13315554), (21, 11413332), (27, 8877036), (28, 8559999), (31, 7731612), (36, 6657777), (42, 5706666), (49, 4891428), (54, 4438518), (62, 3865806), (63, 3804444), (81, 2959012), (84, 2853333), (93, 2577204), (98, 2445714), (108, 2219259), (124, 1932903), (126, 1902222), (147, 1630476), (162, 1479506), (186, 1288602), (189, 1268148), (196, 1222857), (217, 1104516), (252, 951111), (279, 859068), (294, 815238), (324, 739753), (372, 644301), (378, 634074), (434, 552258), (441, 543492), (487, 492156), (558, 429534), (567, 422716), (588, 407619), (651, 368172), (756, 317037), (837, 286356), (868, 276129), (882, 271746), (974, 246078), (1116, 214767), (1134, 211358), (1302, 184086), (1323, 181164), (1461, 164052), (1519, 157788), (1674, 143178), (1764, 135873), (1948, 123039), (1953, 122724), (2268, 105679), (2511, 95452), (2604, 92043), (2646, 90582), (2922, 82026), (3038, 78894), (3348, 71589), (3409, 70308), (3906, 61362), (3969, 60388), (4383, 54684), (4557, 52596), (5022, 47726), (5292, 45291), (5844, 41013), (5859, 40908), (6076, 39447), (6818, 35154), (7812, 30681), (7938, 30194), (8766, 27342), (9114, 26298), (10044, 23863), (10227, 23436), (11718, 20454), (13149, 18228), (13636, 17577), (13671, 17532), (15097, 15876)]