243899425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 414616320

約数和(自身を除く): 170716895

約数列:

[1, 5, 7, 11, 17, 25, 29, 35, 55, 77, 85, 119, 145, 175, 187, 203, 257, 275, 319, 385, 425, 493, 595, 725, 935, 1015, 1285, 1309, 1595, 1799, 1925, 2233, 2465, 2827, 2975, 3451, 4369, 4675, 5075, 5423, 6425, 6545, 7453, 7975, 8995, 11165, 12325, 14135, 17255, 19789, 21845, 27115, 30583, 32725, 37265, 37961, 44975, 48059, 52171, 55825, 70675, 81983, 86275, 98945, 109225, 126701, 135575, 152915, 186325, 189805, 240295, 260855, 336413, 409915, 494725, 573881, 633505, 764575, 886907, 949025, 1201475, 1304275, 1393711, 1682065, 2049575, 2869405, 3167525, 4434535, 6968555, 8410325, 9755977, 14347025, 22172675, 34842775, 48779885, 243899425]

約数ペア:

[(1, 243899425), (5, 48779885), (7, 34842775), (11, 22172675), (17, 14347025), (25, 9755977), (29, 8410325), (35, 6968555), (55, 4434535), (77, 3167525), (85, 2869405), (119, 2049575), (145, 1682065), (175, 1393711), (187, 1304275), (203, 1201475), (257, 949025), (275, 886907), (319, 764575), (385, 633505), (425, 573881), (493, 494725), (595, 409915), (725, 336413), (935, 260855), (1015, 240295), (1285, 189805), (1309, 186325), (1595, 152915), (1799, 135575), (1925, 126701), (2233, 109225), (2465, 98945), (2827, 86275), (2975, 81983), (3451, 70675), (4369, 55825), (4675, 52171), (5075, 48059), (5423, 44975), (6425, 37961), (6545, 37265), (7453, 32725), (7975, 30583), (8995, 27115), (11165, 21845), (12325, 19789), (14135, 17255)]