71367275

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 114501600

約数和(自身を除く): 43134325

約数列:

[1, 5, 7, 17, 23, 25, 35, 49, 85, 115, 119, 149, 161, 175, 245, 391, 425, 575, 595, 745, 805, 833, 1043, 1127, 1225, 1955, 2533, 2737, 2975, 3427, 3725, 4025, 4165, 5215, 5635, 7301, 9775, 12665, 13685, 17135, 17731, 19159, 20825, 23989, 26075, 28175, 36505, 58259, 63325, 68425, 85675, 88655, 95795, 119945, 124117, 167923, 182525, 291295, 407813, 443275, 478975, 599725, 620585, 839615, 1456475, 2039065, 2854691, 3102925, 4198075, 10195325, 14273455, 71367275]

約数ペア:

[(1, 71367275), (5, 14273455), (7, 10195325), (17, 4198075), (23, 3102925), (25, 2854691), (35, 2039065), (49, 1456475), (85, 839615), (115, 620585), (119, 599725), (149, 478975), (161, 443275), (175, 407813), (245, 291295), (391, 182525), (425, 167923), (575, 124117), (595, 119945), (745, 95795), (805, 88655), (833, 85675), (1043, 68425), (1127, 63325), (1225, 58259), (1955, 36505), (2533, 28175), (2737, 26075), (2975, 23989), (3427, 20825), (3725, 19159), (4025, 17731), (4165, 17135), (5215, 13685), (5635, 12665), (7301, 9775)]