243501625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 349989120

約数和(自身を除く): 106487495

約数列:

[1, 5, 17, 19, 25, 37, 85, 95, 125, 163, 185, 323, 425, 475, 629, 703, 815, 925, 1615, 2125, 2375, 2771, 3097, 3145, 3515, 4075, 4625, 6031, 8075, 11951, 13855, 15485, 15725, 17575, 20375, 30155, 40375, 52649, 59755, 69275, 77425, 78625, 87875, 102527, 114589, 150775, 263245, 298775, 346375, 387125, 512635, 572945, 753875, 1316225, 1493875, 1948013, 2563175, 2864725, 6581125, 9740065, 12815875, 14323625, 48700325, 243501625]

約数ペア:

[(1, 243501625), (5, 48700325), (17, 14323625), (19, 12815875), (25, 9740065), (37, 6581125), (85, 2864725), (95, 2563175), (125, 1948013), (163, 1493875), (185, 1316225), (323, 753875), (425, 572945), (475, 512635), (629, 387125), (703, 346375), (815, 298775), (925, 263245), (1615, 150775), (2125, 114589), (2375, 102527), (2771, 87875), (3097, 78625), (3145, 77425), (3515, 69275), (4075, 59755), (4625, 52649), (6031, 40375), (8075, 30155), (11951, 20375), (13855, 17575), (15485, 15725)]