30819425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 53329920

約数和(自身を除く): 22510495

約数列:

[1, 5, 7, 13, 19, 23, 25, 31, 35, 65, 91, 95, 115, 133, 155, 161, 175, 217, 247, 299, 325, 403, 437, 455, 475, 575, 589, 665, 713, 775, 805, 1085, 1235, 1495, 1729, 2015, 2093, 2185, 2275, 2821, 2945, 3059, 3325, 3565, 4025, 4123, 4991, 5425, 5681, 6175, 7475, 7657, 8645, 9269, 10075, 10465, 10925, 13547, 14105, 14725, 15295, 17825, 20615, 24955, 28405, 38285, 39767, 43225, 46345, 52325, 53599, 64883, 67735, 70525, 76475, 94829, 103075, 124775, 142025, 176111, 191425, 198835, 231725, 267995, 324415, 338675, 474145, 880555, 994175, 1232777, 1339975, 1622075, 2370725, 4402775, 6163885, 30819425]

約数ペア:

[(1, 30819425), (5, 6163885), (7, 4402775), (13, 2370725), (19, 1622075), (23, 1339975), (25, 1232777), (31, 994175), (35, 880555), (65, 474145), (91, 338675), (95, 324415), (115, 267995), (133, 231725), (155, 198835), (161, 191425), (175, 176111), (217, 142025), (247, 124775), (299, 103075), (325, 94829), (403, 76475), (437, 70525), (455, 67735), (475, 64883), (575, 53599), (589, 52325), (665, 46345), (713, 43225), (775, 39767), (805, 38285), (1085, 28405), (1235, 24955), (1495, 20615), (1729, 17825), (2015, 15295), (2093, 14725), (2185, 14105), (2275, 13547), (2821, 10925), (2945, 10465), (3059, 10075), (3325, 9269), (3565, 8645), (4025, 7657), (4123, 7475), (4991, 6175), (5425, 5681)]