312327925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 511967232

約数和(自身を除く): 199639307

約数列:

[1, 5, 7, 13, 23, 25, 35, 47, 65, 91, 115, 127, 161, 175, 235, 299, 325, 329, 455, 575, 611, 635, 805, 889, 1081, 1175, 1495, 1645, 1651, 2093, 2275, 2921, 3055, 3175, 4025, 4277, 4445, 5405, 5969, 7475, 7567, 8225, 8255, 10465, 11557, 14053, 14605, 15275, 20447, 21385, 22225, 27025, 29845, 37835, 37973, 41275, 41783, 52325, 57785, 70265, 73025, 77597, 98371, 102235, 106925, 137287, 149225, 189175, 189865, 208915, 265811, 288925, 351325, 387985, 491855, 511175, 543179, 686435, 949325, 961009, 1044575, 1329055, 1784731, 1939925, 2459275, 2715895, 3432175, 4805045, 6645275, 8923655, 12493117, 13579475, 24025225, 44618275, 62465585, 312327925]

約数ペア:

[(1, 312327925), (5, 62465585), (7, 44618275), (13, 24025225), (23, 13579475), (25, 12493117), (35, 8923655), (47, 6645275), (65, 4805045), (91, 3432175), (115, 2715895), (127, 2459275), (161, 1939925), (175, 1784731), (235, 1329055), (299, 1044575), (325, 961009), (329, 949325), (455, 686435), (575, 543179), (611, 511175), (635, 491855), (805, 387985), (889, 351325), (1081, 288925), (1175, 265811), (1495, 208915), (1645, 189865), (1651, 189175), (2093, 149225), (2275, 137287), (2921, 106925), (3055, 102235), (3175, 98371), (4025, 77597), (4277, 73025), (4445, 70265), (5405, 57785), (5969, 52325), (7475, 41783), (7567, 41275), (8225, 37973), (8255, 37835), (10465, 29845), (11557, 27025), (14053, 22225), (14605, 21385), (15275, 20447)]