156893275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 244627200

約数和(自身を除く): 87733925

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 149, 175, 275, 385, 547, 745, 1043, 1639, 1925, 2735, 3725, 3829, 5215, 6017, 8195, 11473, 13675, 19145, 26075, 30085, 40975, 42119, 57365, 81503, 95725, 150425, 210595, 286825, 407515, 570521, 896533, 1052975, 2037575, 2852605, 4482665, 6275731, 14263025, 22413325, 31378655, 156893275]

約数ペア:

[(1, 156893275), (5, 31378655), (7, 22413325), (11, 14263025), (25, 6275731), (35, 4482665), (55, 2852605), (77, 2037575), (149, 1052975), (175, 896533), (275, 570521), (385, 407515), (547, 286825), (745, 210595), (1043, 150425), (1639, 95725), (1925, 81503), (2735, 57365), (3725, 42119), (3829, 40975), (5215, 30085), (6017, 26075), (8195, 19145), (11473, 13675)]