858773425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 1162782720

約数和(自身を除く): 304009295

約数列:

[1, 5, 23, 25, 43, 47, 115, 215, 235, 575, 739, 989, 1075, 1081, 1175, 2021, 3695, 4945, 5405, 10105, 16997, 18475, 24725, 27025, 31777, 34733, 46483, 50525, 84985, 158885, 173665, 232415, 424925, 730871, 794425, 798859, 868325, 1162075, 1493519, 3654355, 3994295, 7467595, 18271775, 19971475, 34350937, 37337975, 171754685, 858773425]

約数ペア:

[(1, 858773425), (5, 171754685), (23, 37337975), (25, 34350937), (43, 19971475), (47, 18271775), (115, 7467595), (215, 3994295), (235, 3654355), (575, 1493519), (739, 1162075), (989, 868325), (1075, 798859), (1081, 794425), (1175, 730871), (2021, 424925), (3695, 232415), (4945, 173665), (5405, 158885), (10105, 84985), (16997, 50525), (18475, 46483), (24725, 34733), (27025, 31777)]