71173180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{599}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 161582400

約数和(自身を除く): 90409220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 599, 914, 1198, 1828, 2285, 2396, 2995, 4570, 5941, 5990, 7787, 9140, 11882, 11980, 15574, 23764, 29705, 31148, 38935, 59410, 77870, 118820, 155740, 273743, 547486, 1094972, 1368715, 2737430, 3558659, 5474860, 7117318, 14234636, 17793295, 35586590, 71173180]

約数ペア:

[(1, 71173180), (2, 35586590), (4, 17793295), (5, 14234636), (10, 7117318), (13, 5474860), (20, 3558659), (26, 2737430), (52, 1368715), (65, 1094972), (130, 547486), (260, 273743), (457, 155740), (599, 118820), (914, 77870), (1198, 59410), (1828, 38935), (2285, 31148), (2396, 29705), (2995, 23764), (4570, 15574), (5941, 11980), (5990, 11882), (7787, 9140)]