72057860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3929}}^1$

素因数の和:4076

約数の個数: 48

約数和(自身を含む): 174303360

約数和(自身を除く): 102245500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 3929, 4585, 7858, 9170, 15716, 18340, 19645, 27503, 39290, 55006, 78580, 110012, 137515, 275030, 514699, 550060, 1029398, 2058796, 2573495, 3602893, 5146990, 7205786, 10293980, 14411572, 18014465, 36028930, 72057860]

約数ペア:

[(1, 72057860), (2, 36028930), (4, 18014465), (5, 14411572), (7, 10293980), (10, 7205786), (14, 5146990), (20, 3602893), (28, 2573495), (35, 2058796), (70, 1029398), (131, 550060), (140, 514699), (262, 275030), (524, 137515), (655, 110012), (917, 78580), (1310, 55006), (1834, 39290), (2620, 27503), (3668, 19645), (3929, 18340), (4585, 15716), (7858, 9170)]