520014325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 700223040

約数和(自身を除く): 180208715

約数列:

[1, 5, 19, 25, 61, 95, 131, 137, 305, 475, 655, 685, 1159, 1525, 2489, 2603, 3275, 3425, 5795, 7991, 8357, 12445, 13015, 17947, 28975, 39955, 41785, 62225, 65075, 89735, 151829, 158783, 199775, 208925, 340993, 448675, 759145, 793915, 1094767, 1704965, 3795725, 3969575, 5473835, 8524825, 20800573, 27369175, 104002865, 520014325]

約数ペア:

[(1, 520014325), (5, 104002865), (19, 27369175), (25, 20800573), (61, 8524825), (95, 5473835), (131, 3969575), (137, 3795725), (305, 1704965), (475, 1094767), (655, 793915), (685, 759145), (1159, 448675), (1525, 340993), (2489, 208925), (2603, 199775), (3275, 158783), (3425, 151829), (5795, 89735), (7991, 65075), (8357, 62225), (12445, 41785), (13015, 39955), (17947, 28975)]