22220275

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 37403856

約数和(自身を除く): 15183581

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 97, 119, 175, 187, 245, 275, 385, 425, 485, 539, 595, 679, 833, 935, 1067, 1225, 1309, 1649, 1925, 2425, 2695, 2975, 3395, 4165, 4675, 4753, 5335, 6545, 7469, 8245, 9163, 11543, 13475, 16975, 18139, 20825, 23765, 26675, 32725, 37345, 41225, 45815, 52283, 57715, 80801, 90695, 118825, 126973, 186725, 229075, 261415, 288575, 404005, 453475, 634865, 888811, 1307075, 2020025, 3174325, 4444055, 22220275]

約数ペア:

[(1, 22220275), (5, 4444055), (7, 3174325), (11, 2020025), (17, 1307075), (25, 888811), (35, 634865), (49, 453475), (55, 404005), (77, 288575), (85, 261415), (97, 229075), (119, 186725), (175, 126973), (187, 118825), (245, 90695), (275, 80801), (385, 57715), (425, 52283), (485, 45815), (539, 41225), (595, 37345), (679, 32725), (833, 26675), (935, 23765), (1067, 20825), (1225, 18139), (1309, 16975), (1649, 13475), (1925, 11543), (2425, 9163), (2695, 8245), (2975, 7469), (3395, 6545), (4165, 5335), (4675, 4753)]