1628942390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1667}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 3194553600

約数和(自身を除く): 1565611210

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 139, 185, 190, 278, 370, 695, 703, 1390, 1406, 1667, 2641, 3334, 3515, 5143, 5282, 7030, 8335, 10286, 13205, 16670, 25715, 26410, 31673, 51430, 61679, 63346, 97717, 123358, 158365, 195434, 231713, 308395, 316730, 463426, 488585, 616790, 977170, 1158565, 1171901, 2317130, 2343802, 4402547, 5859505, 8573381, 8805094, 11719010, 17146762, 22012735, 42866905, 44025470, 85733810, 162894239, 325788478, 814471195, 1628942390]

約数ペア:

[(1, 1628942390), (2, 814471195), (5, 325788478), (10, 162894239), (19, 85733810), (37, 44025470), (38, 42866905), (74, 22012735), (95, 17146762), (139, 11719010), (185, 8805094), (190, 8573381), (278, 5859505), (370, 4402547), (695, 2343802), (703, 2317130), (1390, 1171901), (1406, 1158565), (1667, 977170), (2641, 616790), (3334, 488585), (3515, 463426), (5143, 316730), (5282, 308395), (7030, 231713), (8335, 195434), (10286, 158365), (13205, 123358), (16670, 97717), (25715, 63346), (26410, 61679), (31673, 51430)]