777766520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{19309}}^1$

素因数の和:19392

約数の個数: 64

約数和(自身を含む): 1876932000

約数和(自身を除く): 1099165480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 4028, 5035, 8056, 10070, 19309, 20140, 38618, 40280, 77236, 96545, 154472, 193090, 366871, 386180, 733742, 772360, 1023377, 1467484, 1834355, 2046754, 2934968, 3668710, 4093508, 5116885, 7337420, 8187016, 10233770, 14674840, 19444163, 20467540, 38888326, 40935080, 77776652, 97220815, 155553304, 194441630, 388883260, 777766520]

約数ペア:

[(1, 777766520), (2, 388883260), (4, 194441630), (5, 155553304), (8, 97220815), (10, 77776652), (19, 40935080), (20, 38888326), (38, 20467540), (40, 19444163), (53, 14674840), (76, 10233770), (95, 8187016), (106, 7337420), (152, 5116885), (190, 4093508), (212, 3668710), (265, 2934968), (380, 2046754), (424, 1834355), (530, 1467484), (760, 1023377), (1007, 772360), (1060, 733742), (2014, 386180), (2120, 366871), (4028, 193090), (5035, 154472), (8056, 96545), (10070, 77236), (19309, 40280), (20140, 38618)]