72778750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 80

約数和(自身を含む): 152951040

約数和(自身を除く): 80172290

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 79, 110, 125, 134, 158, 250, 275, 335, 395, 550, 625, 670, 737, 790, 869, 1250, 1375, 1474, 1675, 1738, 1975, 2750, 3350, 3685, 3950, 4345, 5293, 6875, 7370, 8375, 8690, 9875, 10586, 13750, 16750, 18425, 19750, 21725, 26465, 36850, 41875, 43450, 49375, 52930, 58223, 83750, 92125, 98750, 108625, 116446, 132325, 184250, 217250, 264650, 291115, 460625, 543125, 582230, 661625, 921250, 1086250, 1323250, 1455575, 2911150, 3308125, 6616250, 7277875, 14555750, 36389375, 72778750]

約数ペア:

[(1, 72778750), (2, 36389375), (5, 14555750), (10, 7277875), (11, 6616250), (22, 3308125), (25, 2911150), (50, 1455575), (55, 1323250), (67, 1086250), (79, 921250), (110, 661625), (125, 582230), (134, 543125), (158, 460625), (250, 291115), (275, 264650), (335, 217250), (395, 184250), (550, 132325), (625, 116446), (670, 108625), (737, 98750), (790, 92125), (869, 83750), (1250, 58223), (1375, 52930), (1474, 49375), (1675, 43450), (1738, 41875), (1975, 36850), (2750, 26465), (3350, 21725), (3685, 19750), (3950, 18425), (4345, 16750), (5293, 13750), (6875, 10586), (7370, 9875), (8375, 8690)]