245199724

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 90

約数和(自身を含む): 552838972

約数和(自身を除く): 307639248

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 211, 242, 308, 343, 422, 484, 539, 686, 844, 847, 1078, 1372, 1477, 1694, 2156, 2321, 2401, 2954, 3388, 3773, 4642, 4802, 5908, 5929, 7546, 9284, 9604, 10339, 11858, 15092, 16247, 20678, 23716, 25531, 26411, 32494, 41356, 41503, 51062, 52822, 64988, 72373, 83006, 102124, 105644, 113729, 144746, 166012, 178717, 227458, 289492, 290521, 357434, 454916, 506611, 581042, 714868, 796103, 1013222, 1162084, 1251019, 1592206, 2026444, 2502038, 3184412, 5004076, 5572721, 8757133, 11145442, 17514266, 22290884, 35028532, 61299931, 122599862, 245199724]

約数ペア:

[(1, 245199724), (2, 122599862), (4, 61299931), (7, 35028532), (11, 22290884), (14, 17514266), (22, 11145442), (28, 8757133), (44, 5572721), (49, 5004076), (77, 3184412), (98, 2502038), (121, 2026444), (154, 1592206), (196, 1251019), (211, 1162084), (242, 1013222), (308, 796103), (343, 714868), (422, 581042), (484, 506611), (539, 454916), (686, 357434), (844, 290521), (847, 289492), (1078, 227458), (1372, 178717), (1477, 166012), (1694, 144746), (2156, 113729), (2321, 105644), (2401, 102124), (2954, 83006), (3388, 72373), (3773, 64988), (4642, 52822), (4802, 51062), (5908, 41503), (5929, 41356), (7546, 32494), (9284, 26411), (9604, 25531), (10339, 23716), (11858, 20678), (15092, 16247)]