252170275

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 402259968

約数和(自身を除く): 150089693

約数列:

[1, 5, 7, 23, 25, 31, 35, 43, 47, 115, 155, 161, 175, 215, 217, 235, 301, 329, 575, 713, 775, 805, 989, 1075, 1081, 1085, 1175, 1333, 1457, 1505, 1645, 2021, 3565, 4025, 4945, 4991, 5405, 5425, 6665, 6923, 7285, 7525, 7567, 8225, 9331, 10105, 10199, 14147, 17825, 24725, 24955, 27025, 30659, 33325, 33511, 34615, 36425, 37835, 46483, 46655, 50525, 50995, 62651, 70735, 124775, 153295, 167555, 173075, 189175, 214613, 232415, 233275, 234577, 254975, 313255, 325381, 353675, 438557, 766475, 837775, 1073065, 1162075, 1172885, 1440973, 1566275, 1626905, 2192785, 5365325, 5864425, 7204865, 8134525, 10086811, 10963925, 36024325, 50434055, 252170275]

約数ペア:

[(1, 252170275), (5, 50434055), (7, 36024325), (23, 10963925), (25, 10086811), (31, 8134525), (35, 7204865), (43, 5864425), (47, 5365325), (115, 2192785), (155, 1626905), (161, 1566275), (175, 1440973), (215, 1172885), (217, 1162075), (235, 1073065), (301, 837775), (329, 766475), (575, 438557), (713, 353675), (775, 325381), (805, 313255), (989, 254975), (1075, 234577), (1081, 233275), (1085, 232415), (1175, 214613), (1333, 189175), (1457, 173075), (1505, 167555), (1645, 153295), (2021, 124775), (3565, 70735), (4025, 62651), (4945, 50995), (4991, 50525), (5405, 46655), (5425, 46483), (6665, 37835), (6923, 36425), (7285, 34615), (7525, 33511), (7567, 33325), (8225, 30659), (9331, 27025), (10105, 24955), (10199, 24725), (14147, 17825)]