71378540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 156177504

約数和(自身を除く): 84798964

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1427, 2501, 2854, 5002, 5708, 7135, 10004, 12505, 14270, 25010, 28540, 50020, 58507, 87047, 117014, 174094, 234028, 292535, 348188, 435235, 585070, 870470, 1170140, 1740940, 3568927, 7137854, 14275708, 17844635, 35689270, 71378540]

約数ペア:

[(1, 71378540), (2, 35689270), (4, 17844635), (5, 14275708), (10, 7137854), (20, 3568927), (41, 1740940), (61, 1170140), (82, 870470), (122, 585070), (164, 435235), (205, 348188), (244, 292535), (305, 234028), (410, 174094), (610, 117014), (820, 87047), (1220, 58507), (1427, 50020), (2501, 28540), (2854, 25010), (5002, 14270), (5708, 12505), (7135, 10004)]