80374210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2771

約数の個数: 48

約数和(自身を含む): 171116280

約数和(自身を除く): 90742070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2689, 2989, 4270, 5378, 5978, 13445, 14945, 18823, 26890, 29890, 37646, 94115, 131761, 164029, 188230, 263522, 328058, 658805, 820145, 1148203, 1317610, 1640290, 2296406, 5741015, 8037421, 11482030, 16074842, 40187105, 80374210]

約数ペア:

[(1, 80374210), (2, 40187105), (5, 16074842), (7, 11482030), (10, 8037421), (14, 5741015), (35, 2296406), (49, 1640290), (61, 1317610), (70, 1148203), (98, 820145), (122, 658805), (245, 328058), (305, 263522), (427, 188230), (490, 164029), (610, 131761), (854, 94115), (2135, 37646), (2689, 29890), (2989, 26890), (4270, 18823), (5378, 14945), (5978, 13445)]