249194988

素因数分解:

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

素因数の和:103

約数の個数: 180

約数和(自身を含む): 778790040

約数和(自身を除く): 529595052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 84, 93, 98, 108, 124, 126, 147, 186, 189, 196, 217, 252, 279, 294, 343, 372, 378, 434, 441, 558, 588, 651, 686, 756, 837, 868, 882, 961, 1029, 1116, 1302, 1323, 1372, 1519, 1674, 1764, 1922, 1953, 2058, 2401, 2604, 2646, 2883, 3038, 3087, 3348, 3844, 3906, 4116, 4557, 4802, 5292, 5766, 5859, 6076, 6174, 6727, 7203, 7812, 8649, 9114, 9261, 9604, 10633, 11532, 11718, 12348, 13454, 13671, 14406, 17298, 18228, 18522, 20181, 21266, 21609, 23436, 25947, 26908, 27342, 28812, 31899, 34596, 37044, 40362, 41013, 42532, 43218, 47089, 51894, 54684, 60543, 63798, 64827, 74431, 80724, 82026, 86436, 94178, 95697, 103788, 121086, 127596, 129654, 141267, 148862, 164052, 181629, 188356, 191394, 223293, 242172, 259308, 282534, 287091, 297724, 329623, 363258, 382788, 423801, 446586, 565068, 574182, 659246, 669879, 726516, 847602, 893172, 988869, 1148364, 1271403, 1318492, 1339758, 1695204, 1977738, 2009637, 2307361, 2542806, 2679516, 2966607, 3955476, 4019274, 4614722, 5085612, 5933214, 6922083, 8038548, 8899821, 9229444, 11866428, 13844166, 17799642, 20766249, 27688332, 35599284, 41532498, 62298747, 83064996, 124597494, 249194988]

約数ペア:

[(1, 249194988), (2, 124597494), (3, 83064996), (4, 62298747), (6, 41532498), (7, 35599284), (9, 27688332), (12, 20766249), (14, 17799642), (18, 13844166), (21, 11866428), (27, 9229444), (28, 8899821), (31, 8038548), (36, 6922083), (42, 5933214), (49, 5085612), (54, 4614722), (62, 4019274), (63, 3955476), (84, 2966607), (93, 2679516), (98, 2542806), (108, 2307361), (124, 2009637), (126, 1977738), (147, 1695204), (186, 1339758), (189, 1318492), (196, 1271403), (217, 1148364), (252, 988869), (279, 893172), (294, 847602), (343, 726516), (372, 669879), (378, 659246), (434, 574182), (441, 565068), (558, 446586), (588, 423801), (651, 382788), (686, 363258), (756, 329623), (837, 297724), (868, 287091), (882, 282534), (961, 259308), (1029, 242172), (1116, 223293), (1302, 191394), (1323, 188356), (1372, 181629), (1519, 164052), (1674, 148862), (1764, 141267), (1922, 129654), (1953, 127596), (2058, 121086), (2401, 103788), (2604, 95697), (2646, 94178), (2883, 86436), (3038, 82026), (3087, 80724), (3348, 74431), (3844, 64827), (3906, 63798), (4116, 60543), (4557, 54684), (4802, 51894), (5292, 47089), (5766, 43218), (5859, 42532), (6076, 41013), (6174, 40362), (6727, 37044), (7203, 34596), (7812, 31899), (8649, 28812), (9114, 27342), (9261, 26908), (9604, 25947), (10633, 23436), (11532, 21609), (11718, 21266), (12348, 20181), (13454, 18522), (13671, 18228), (14406, 17298)]